12=x*(2x-5)

Simple and best practice solution for 12=x*(2x-5) 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 12=x*(2x-5) equation:


Simplifying
12 = x(2x + -5)

Reorder the terms:
12 = x(-5 + 2x)
12 = (-5 * x + 2x * x)
12 = (-5x + 2x2)

Solving
12 = -5x + 2x2

Solving for variable 'x'.

Reorder the terms:
12 + 5x + -2x2 = -5x + 5x + 2x2 + -2x2

Combine like terms: -5x + 5x = 0
12 + 5x + -2x2 = 0 + 2x2 + -2x2
12 + 5x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
12 + 5x + -2x2 = 0

Factor a trinomial.
(4 + -1x)(3 + 2x) = 0

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {4, -1.5}

See similar equations:

| 2*-28+3y=-59 | | 4x(10x+1)=0 | | 6w^2+25W+21=0 | | 5a+2-7=0 | | 2*-28+3y=4 | | (a-3b)(a+3b)= | | 12=2x-5*x | | -3y^2+2y+24=0 | | 4(-8x+7)-1=-8+3x | | 7x-3=x-21 | | -2(4s-6)-12=-3(8s+5)-3 | | x^2+13x+130=0 | | 4x^2+11x=-7 | | 2x-3=-13+4x | | 1600=x^2+60x | | 3x+12=4x+14 | | 9ex=32 | | x(x-5)=150 | | 5x-15+2x+6=0 | | 23+4(3-2k)+k= | | 6x^6-13x^3-8=0 | | y^2+y+x-20=0 | | 2x+6z=6+7y | | 1/2(4x-2)+x+5=0 | | (-7a^2+7a-2)+(8a^2-2a-3)= | | 10=-3x-(-5x) | | 7(3a+2b)+5(4a+2b)= | | ln(2x-7)-1=2 | | x+x+x-1+x+3=14 | | (5z-4)(5+z)=0 | | x^2+60x-1600=0 | | 3x+(3x-5)+x=100 |

Equations solver categories