-x^2-8x-7=

Simple and best practice solution for -x^2-8x-7= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -x^2-8x-7= equation:


Simplifying
-1x2 + -8x + -7 = 0

Reorder the terms:
-7 + -8x + -1x2 = 0

Solving
-7 + -8x + -1x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(7 + 8x + x2) = 0

Factor a trinomial.
-1((7 + x)(1 + x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-7, -1}

See similar equations:

| 5a+29=12a-48 | | 175-7b=20b+22 | | x^2/4+x=5/4 | | 10/x=20 | | x^4-2=x^2 | | x=10-2x | | 1-x=9-4x | | 87-2x=34x+19 | | 8a+29=12a-48 | | x^2-15x+5=-8x-5 | | 5x-8/3 | | 4-9b=132-44b | | 5a+68=11a+14 | | -59-10b=10b+21 | | -287=7(1+6n) | | 28=-9v-8v+5v | | x=5-x | | 5b+10=-102-9b | | 8a+6=5a+18 | | 16+20=22x+8 | | 132-5b=3b+12 | | y=-x-1a | | 9x+4y=3 | | X/10+2=30 | | 5x+7=-x+37 | | x^2+(3-2y)x+y^2-3y+2=0 | | -8-3=x | | -32-3b=10-9b | | 75(24-20t)+9t=2(5t+1) | | 5/8=n+1/4n | | 20x^2-10x-9=0 | | 111-5b=10b+21 |

Equations solver categories