(-x-7)(4x+8)=

Simple and best practice solution for (-x-7)(4x+8)= 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-7)(4x+8)= equation:


Simplifying
(-1x + -7)(4x + 8) = 0

Reorder the terms:
(-7 + -1x)(4x + 8) = 0

Reorder the terms:
(-7 + -1x)(8 + 4x) = 0

Multiply (-7 + -1x) * (8 + 4x)
(-7(8 + 4x) + -1x * (8 + 4x)) = 0
((8 * -7 + 4x * -7) + -1x * (8 + 4x)) = 0
((-56 + -28x) + -1x * (8 + 4x)) = 0
(-56 + -28x + (8 * -1x + 4x * -1x)) = 0
(-56 + -28x + (-8x + -4x2)) = 0

Combine like terms: -28x + -8x = -36x
(-56 + -36x + -4x2) = 0

Solving
-56 + -36x + -4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-4'.
-4(14 + 9x + x2) = 0

Factor a trinomial.
-4((7 + x)(2 + x)) = 0

Ignore the factor -4.

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 '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-7, -2}

See similar equations:

| 3(x^2-x)-4(x^2+x)=-3(x+1)-4(x-2) | | (-x-7)=(4x+8) | | 3x+7=5x+15 | | 7-8x=87-36x | | 118-2x=14-6x | | 200x^2+2=0 | | 118-2x=14-7x | | 84-4x=32x+20 | | 5+3(4-2)= | | 2x+2+3x-1=21 | | 7-7x=76+28x | | 2x+13=-42-9x | | 25y^2-30yz+9z^2=0 | | x^2-15x=56 | | 86-2x=4x+14 | | -15-2x=6x+24 | | -12-6x=6-9x | | 3ax^2+33ax+72a=0 | | 0x+2x=18-3 | | (7y-4)-(2y-1)= | | X+2x=18-3 | | -18x^2-60x-50=0 | | 0.5x+0.6x+18=15 | | 12g=4g+40 | | 15m^2+10m+16=0 | | 8x^2-40x-48= | | 64a^3-125b^3=0 | | 15m^2+10m+10=0 | | 2x-19=6x+5 | | 48-2x=1x+18 | | 3(4z-1)-2(2+8)=3(2+1) | | 9-10x=97-38x |

Equations solver categories