Evaluate 5

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

Correct result:

a =  -8

Solution:

x=1 a=x27 x+12 x4=(1)27 (1)+12 (1)4=8



We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you!






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









You need to know the following knowledge to solve this word math problem:

Next similar math problems:

  • If-then equation
    triangles_10 If 5x - 17 = -x + 7, then x =
  • 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 th
  • One frame
    room_1 5 picture frames cost € 12 more than three frames. How much cost one frame?
  • Line
    line_points How many parts of line divide 5 (different) points that lie on it?
  • Six te 2
    eq1 If 3t-7=5t, then 6t=
  • 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?
  • The number 3
    numbers_1 Ski organizers should print the start numbers from 1 to 45. How many times will they use the number 3 when printing?
  • 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.
  • Addition of Roman numbers
    roman Added together and write as decimal number: LXVII + MLXIV
  • Equation with one variable
    eq1 Solve the following equation with one unknown: 5(7s + 5) =130
  • Rounding 2
    nice_circles Round the following negative number: -143.021
  • Valid number
    numbers Round the 453874528 on 2 significant numbers.
  • 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?
  • 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?
  • Equatiom
    negativ_1 Solve equation with negatives: X/(-5) + 2 = -9
  • 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
  • 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?