9x^2+5x+6x^2=18x^2-7x

Simple and best practice solution for 9x^2+5x+6x^2=18x^2-7x 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 9x^2+5x+6x^2=18x^2-7x equation:


Simplifying
9x2 + 5x + 6x2 = 18x2 + -7x

Reorder the terms:
5x + 9x2 + 6x2 = 18x2 + -7x

Combine like terms: 9x2 + 6x2 = 15x2
5x + 15x2 = 18x2 + -7x

Reorder the terms:
5x + 15x2 = -7x + 18x2

Solving
5x + 15x2 = -7x + 18x2

Solving for variable 'x'.

Reorder the terms:
5x + 7x + 15x2 + -18x2 = -7x + 18x2 + 7x + -18x2

Combine like terms: 5x + 7x = 12x
12x + 15x2 + -18x2 = -7x + 18x2 + 7x + -18x2

Combine like terms: 15x2 + -18x2 = -3x2
12x + -3x2 = -7x + 18x2 + 7x + -18x2

Reorder the terms:
12x + -3x2 = -7x + 7x + 18x2 + -18x2

Combine like terms: -7x + 7x = 0
12x + -3x2 = 0 + 18x2 + -18x2
12x + -3x2 = 18x2 + -18x2

Combine like terms: 18x2 + -18x2 = 0
12x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(4 + -1x) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

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

Solution

x = {0, 4}

See similar equations:

| n+3=2n-6 | | 45+139+k+17=360 | | 133=5w-12 | | 25x+5500=35x+4500 | | 20=100-4d | | f(-7)=4x^2+9 | | 8f+8=27 | | 2n-.8=3.2 | | 44=-11n | | 6x+11y=20 | | 5u(3u-2)+2u(3u-5)= | | -3(6+4x)=-138 | | 4b+15=27 | | 12*x+2=4*x-23 | | 7x=(x^2)-8 | | 5x-16=7x+5 | | -6+6n=36 | | y^2+2y=o | | 4+91x=52x+19 | | -60=-10u | | 10n+108=8 | | 4(d+2)-24=3(2+d) | | 2x+15=2x+-15 | | 6(x-4)=4(x-5) | | 13x-3=-16 | | 7y=-3x+24 | | 5z(3z+2)-7z(2z+4)= | | -3u=-6 | | 5.3= | | 3n-(-4)=40 | | 8z^2+xz+35=(4z+5)(2z+7) | | 30+85+2x+5=180 |

Equations solver categories