2x^2-(x+2)(x-3)=12

Simple and best practice solution for 2x^2-(x+2)(x-3)=12 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 2x^2-(x+2)(x-3)=12 equation:


Simplifying
2x2 + -1(x + 2)(x + -3) = 12

Reorder the terms:
2x2 + -1(2 + x)(x + -3) = 12

Reorder the terms:
2x2 + -1(2 + x)(-3 + x) = 12

Multiply (2 + x) * (-3 + x)
2x2 + -1(2(-3 + x) + x(-3 + x)) = 12
2x2 + -1((-3 * 2 + x * 2) + x(-3 + x)) = 12
2x2 + -1((-6 + 2x) + x(-3 + x)) = 12
2x2 + -1(-6 + 2x + (-3 * x + x * x)) = 12
2x2 + -1(-6 + 2x + (-3x + x2)) = 12

Combine like terms: 2x + -3x = -1x
2x2 + -1(-6 + -1x + x2) = 12
2x2 + (-6 * -1 + -1x * -1 + x2 * -1) = 12
2x2 + (6 + 1x + -1x2) = 12

Reorder the terms:
6 + 1x + 2x2 + -1x2 = 12

Combine like terms: 2x2 + -1x2 = 1x2
6 + 1x + 1x2 = 12

Solving
6 + 1x + 1x2 = 12

Solving for variable 'x'.

Reorder the terms:
6 + -12 + 1x + 1x2 = 12 + -12

Combine like terms: 6 + -12 = -6
-6 + 1x + 1x2 = 12 + -12

Combine like terms: 12 + -12 = 0
-6 + 1x + 1x2 = 0

Factor a trinomial.
(-3 + -1x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

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

Solution

x = {-3, 2}

See similar equations:

| 11X=.01 | | 11X=-.13 | | -2x(x+3)-(x+1)(x-2)= | | 11X=W-.35 | | 20x+15y=1850 | | 6ab-8bc-4bd= | | 4x+8y=520 | | x(3+2)=2.7 | | -(6-5y)= | | 1.7x+8-1.62x=0.4x-0.32+8 | | 4.9X=.90 | | 7x-4y=3 | | g+5= | | 2c+5=41 | | (4x-3)(2x+6)= | | 0.5(x)0.6=4 | | 16x^2-24x+7=0 | | 3.9-1.5(2.2-1.2x)=0 | | log(x+2)+log(x-2)=2 | | 2r-2(8r-5)=108 | | (Y-3)2+4(y-5)=-3x | | -3*-6= | | 6t-9-3t=8(7-4) | | 17+(-9)= | | 3-2(x-3)=4x | | 6x^4+5x-7=y | | 6x^4+5x-7=0 | | c^2-2c=-15 | | 2m^2-2m=144 | | m^2+15m=50 | | -1x=16 | | p^2-3p=-10 |

Equations solver categories