(x+2)(x-7)=

Simple and best practice solution for (x+2)(x-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)(x-7)= equation: 


Simplifying
(x + 2)(x + -7) = 0

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

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

Multiply (2 + x) * (-7 + x)
(2(-7 + x) + x(-7 + x)) = 0
((-7 * 2 + x * 2) + x(-7 + x)) = 0
((-14 + 2x) + x(-7 + x)) = 0
(-14 + 2x + (-7 * x + x * x)) = 0
(-14 + 2x + (-7x + x2)) = 0

Combine like terms: 2x + -7x = -5x
(-14 + -5x + x2) = 0

Solving
-14 + -5x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -1x)(7 + -1x) = 0


Subproblem 1
Set the factor '(-2 + -1x)' equal to zero and attempt to solve:

Simplifying
-2 + -1x = 0

Solving
-2 + -1x = 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 + -1x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = 0 + 2
-1x = 0 + 2

Combine like terms: 0 + 2 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(7 + -1x)' equal to zero and attempt to solve:

Simplifying
7 + -1x = 0

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

Combine like terms: 7 + -7 = 0
0 + -1x = 0 + -7
-1x = 0 + -7

Combine like terms: 0 + -7 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7
Solution
x = {-2, 7}

See similar equations:

| 8x^2+36x-20= | | (3/4)x2-12=0 | | 6x+5+2x-9=180 | | 4x*2-37x+47=7 | | t^3-3t^2+3=0 | | -5z+15=1-4z | | 9x-x=136 | | -3=y-1.2 | | y=6x+12 | | 6t+8t=100 | | x/-5=4.8 | | x*2-16=0 | | 6c-7c=8 | | s+87.8=38.1 | | 4x*2-17x+14=10 | | lnx+ln(x+4)=8 | | 90-18k= | | 6y+10=52 | | 1=2M/3+7 | | (8x)(x-4)=0 | | 6=5x-6 | | 4.2x=15.96 | | (2/3)*(5/7) | | 1950x=2500 | | 8n-3=3+5n | | -15.00+0.39m=14.95+0.13m | | 7x-4x+3x-5+5x= | | 9x+2y=17 | | 2x^2-6x+3/-2x | | x^2+14+49= | | n/3+7=-4 | | -25-9= |

Equations solver categories