Evaluate expression x2−7x+12x−4 when x=−1
Thank you for submitting an example text correction or rephasing. We will review the example in a short time and work on the publish it.
Showing 1 comment:
for any expression we offer free fraction or decimal calculator that can solve (substitute variables and expression with variables evaluation):
You need to know the following knowledge to solve this word math problem:
Next similar math problems:
- If-then equation
If 5x - 17 = -x + 7, then x =
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
5 picture frames cost € 12 more than three frames. How much cost one frame?
How many parts of line divide 5 (different) points that lie on it?
- Six te 2
If 3t-7=5t, then 6t=
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
Ski organizers should print the start numbers from 1 to 45. How many times will they use the number 3 when printing?
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
Added together and write as decimal number: LXVII + MLXIV
- Equation with one variable
Solve the following equation with one unknown: 5(7s + 5) =130
- Rounding 2
Round the following negative number: -143.021
- Valid number
Round the 453874528 on 2 significant numbers.
- Whole numbers
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
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?
Solve equation with negatives: X/(-5) + 2 = -9
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
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?