3x^2+36=4x^2+9x

Simple and best practice solution for 3x^2+36=4x^2+9x 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 3x^2+36=4x^2+9x equation:


Simplifying
3x2 + 36 = 4x2 + 9x

Reorder the terms:
36 + 3x2 = 4x2 + 9x

Reorder the terms:
36 + 3x2 = 9x + 4x2

Solving
36 + 3x2 = 9x + 4x2

Solving for variable 'x'.

Reorder the terms:
36 + -9x + 3x2 + -4x2 = 9x + 4x2 + -9x + -4x2

Combine like terms: 3x2 + -4x2 = -1x2
36 + -9x + -1x2 = 9x + 4x2 + -9x + -4x2

Reorder the terms:
36 + -9x + -1x2 = 9x + -9x + 4x2 + -4x2

Combine like terms: 9x + -9x = 0
36 + -9x + -1x2 = 0 + 4x2 + -4x2
36 + -9x + -1x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
36 + -9x + -1x2 = 0

Factor a trinomial.
(3 + -1x)(12 + x) = 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 '(12 + x)' equal to zero and attempt to solve: Simplifying 12 + x = 0 Solving 12 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + x = 0 + -12 x = 0 + -12 Combine like terms: 0 + -12 = -12 x = -12 Simplifying x = -12

Solution

x = {3, -12}

See similar equations:

| 4x-120+12x^2=0 | | 3b^2-12b+7=0 | | 32+94=54 | | X^2+27x+170=0 | | x-3y+36=0 | | (123+57*2)+6x-21=360 | | 20x^2+62x+30=0 | | 5x^2-60x+100=0 | | 2(3x-11)=17-7x | | -3+x=3 | | y=3(-2) | | 24.6+3a=9.54 | | Y+10=-5 | | a=(25+0.75h)-5 | | X^2+11x=33.75 | | 5n+4=(n+1)-2n | | 14x-28=28x+70 | | 9=4k-7k | | 2-y=9 | | -14x=-322 | | -h+6=-(h-5) | | 5.8+4.5/(-1.5)= | | Y=y-9 | | 5.8+4.5/-1.5= | | 19b+14=65 | | 1600=x+x*.08 | | 5x-15=4x+13 | | 0-y=9 | | (52+128+52+28)+4x=360 | | -1(x-2)= | | 2x-2=x+54 | | 10t+20-13t-9= |

Equations solver categories