(x-2)(x+2)=7x-14

Simple and best practice solution for (x-2)(x+2)=7x-14 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+2)=7x-14 equation:


Simplifying
(x + -2)(x + 2) = 7x + -14

Reorder the terms:
(-2 + x)(x + 2) = 7x + -14

Reorder the terms:
(-2 + x)(2 + x) = 7x + -14

Multiply (-2 + x) * (2 + x)
(-2(2 + x) + x(2 + x)) = 7x + -14
((2 * -2 + x * -2) + x(2 + x)) = 7x + -14
((-4 + -2x) + x(2 + x)) = 7x + -14
(-4 + -2x + (2 * x + x * x)) = 7x + -14
(-4 + -2x + (2x + x2)) = 7x + -14

Combine like terms: -2x + 2x = 0
(-4 + 0 + x2) = 7x + -14
(-4 + x2) = 7x + -14

Reorder the terms:
-4 + x2 = -14 + 7x

Solving
-4 + x2 = -14 + 7x

Solving for variable 'x'.

Reorder the terms:
-4 + 14 + -7x + x2 = -14 + 7x + 14 + -7x

Combine like terms: -4 + 14 = 10
10 + -7x + x2 = -14 + 7x + 14 + -7x

Reorder the terms:
10 + -7x + x2 = -14 + 14 + 7x + -7x

Combine like terms: -14 + 14 = 0
10 + -7x + x2 = 0 + 7x + -7x
10 + -7x + x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
10 + -7x + x2 = 0

Factor a trinomial.
(2 + -1x)(5 + -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 '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {2, 5}

See similar equations:

| X^2-6x-9y+36=0 | | 5x-1.2=9x-2.6 | | 5x+0.02=x | | 5.90/5 | | 8x-1.2=9x+14.1 | | x^2+5x-108=0 | | 1/4=3x/10 | | 2u/7+4+6 | | 5x-1.5=02x | | 6(3t+1)=-30 | | Y^2+2y+3x+10=0 | | 2(3y-1)=16 | | -3x+4x+6=8 | | x=(5*y^4*z)/y^5 | | (8x-2)=(2x+2) | | z=(5x^4y)/x^5 | | 12x=9+5x^2 | | 1.85+1.85=3.7 | | 5x^2+4y^2+16y-4=0 | | (5x^4y)/x^5 | | 1.85+1.85= | | (4t-7)(4t-7)-10(4t-7)+9=0 | | (4x-3)*(2x+5)= | | 8n-5-4n=23 | | x+4+3x=20 | | 7-4x=8+2x | | 5x-9=2x+4 | | x+9x=50 | | 11.4/1.9 | | S=1/2(u+v)t | | 4(4n-4)+5n=11-6n | | 1/2y+3=19 |

Equations solver categories