Evaluate 5

Evaluate expression x2−7x+12x−4 when x=−1

Result

a =  -8

Solution:


Try another example


Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!





Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 1 comment:
#
Matematik
for any expression we offer free fraction or decimal calculator that can solve (substitute variables and expression with variables evaluation):

https://www.hackmath.net/en/calculator/fraction?input=Evaluate+x2%E2%88%927x%2B12x%E2%88%924+when+x%3D%E2%88%921&submit=Calculate

avatar









Following knowledge from mathematics are needed to solve this word math problem:

Next similar math problems:

  1. Expressions
    vyraz Find out value of expressions if a = -1, b =2: x=b - 2a - ab y=a3 - b2 - 2ab z=a2 b3 - a3 b2 w=a + b + a3 - b2
  2. Rounding 2
    nice_circles Round the following negative number: -143.021
  3. Whole numbers
    fractal_7 Pavol wrote down a number that is both rational and a whole number. What is one possible number she could have written down?
  4. Addition of Roman numbers
    roman Added together and write as decimal number: LXVII + MLXIV
  5. Eq1
    eq1_3 Solve equation: 4(a-3)=3(2a-5)
  6. Flood water
    flooding Flood waters in some US village meant that the homes had to evacuate 364 people. 50 of them stayed at elementary schools, 59 them slept with their friends and others went to relatives. How many people have gone to relatives?
  7. Cages
    guineapig Honza had three cages (black, silver, gold) and three animals (guinea pig, rat and puppy). There was one animal in each cage. The golden cage stood to the left of the black cage. The silver cage stood on the right of the guinea pig cage. The rat was in the
  8. Circles
    olympic_circles For the circle c1(S1; r1=146 cm) and c2(S2; r2 = 144 cm) is distance of centers |S1S2| = 295 cm. Determine the distance between the circles.
  9. Math classification
    prezident In 3A class are 27 students. One-third got a B in math and the rest got A. How many students received a B in math?
  10. Cakes
    cookies_1 On the bowl were a few cakes. Jane ate one-third of them, Dana ate a quarter of those cakes that remained. a) What part (of the original number of cakes) Dana ate? b) At least how many cakes could be (initially) on thebowl?
  11. The result
    dice_2 How many times I decrease the number 1632 to get the result 24?
  12. Plane
    rovnobezky On how many parts divide plane 6 parallels?
  13. Valid number
    numbers Round the 453874528 on 2 significant numbers.
  14. Line
    line_points How many parts of line divide 5 (different) points that lie on it?
  15. If-then equation
    triangles_10 If 5x - 17 = -x + 7, then x =
  16. Six te 2
    eq1 If 3t-7=5t, then 6t=
  17. One frame
    room_1 5 picture frames cost € 12 more than three frames. How much cost one frame?