(7x-5)(x+8)=

Simple and best practice solution for (7x-5)(x+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 (7x-5)(x+8)= equation:


Simplifying
(7x + -5)(x + 8) = 0

Reorder the terms:
(-5 + 7x)(x + 8) = 0

Reorder the terms:
(-5 + 7x)(8 + x) = 0

Multiply (-5 + 7x) * (8 + x)
(-5(8 + x) + 7x * (8 + x)) = 0
((8 * -5 + x * -5) + 7x * (8 + x)) = 0
((-40 + -5x) + 7x * (8 + x)) = 0
(-40 + -5x + (8 * 7x + x * 7x)) = 0
(-40 + -5x + (56x + 7x2)) = 0

Combine like terms: -5x + 56x = 51x
(-40 + 51x + 7x2) = 0

Solving
-40 + 51x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-8 + -1x)(5 + -7x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(5 + -7x)' equal to zero and attempt to solve: Simplifying 5 + -7x = 0 Solving 5 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7x = 0 + -5 -7x = 0 + -5 Combine like terms: 0 + -5 = -5 -7x = -5 Divide each side by '-7'. x = 0.7142857143 Simplifying x = 0.7142857143

Solution

x = {-8, 0.7142857143}

See similar equations:

| 4x+10=-6x+200 | | -4x-13=-6x+9 | | -4x-13=6x+9 | | 9(3-3x)+6(1+2x)=93 | | 5c-10=2c+26 | | -2x+12=2x-48 | | -2x+12=2x-4 | | -2+12=2x-48 | | 6+6h=7h | | 125+13x=21x-75 | | 13b-39=11b-37 | | 4(6-1)= | | 14w+56=28w | | 25a+125=50a | | 12x-33=x | | -3t=3t-54 | | 3t=3t-54 | | -5(4x-2)=-3(3+6x) | | 5x+4=2x+46 | | 3x+1=2x+2 | | 11m-10=9m | | -x+5=-4x+71 | | -n=2n-3 | | -13=5+x | | -113=5+x | | y-7=8 | | 4(2x-1)=-6(x+3) | | x+3=-(2x+2) | | 7r-5r+2=5r-r | | 8h-4=8h | | 6y-5=11 | | 10p+6=7p-3p |

Equations solver categories