5x^2=9+12x

Simple and best practice solution for 5x^2=9+12x 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 5x^2=9+12x equation:


Simplifying
5x2 = 9 + 12x

Solving
5x2 = 9 + 12x

Solving for variable 'x'.

Reorder the terms:
-9 + -12x + 5x2 = 9 + 12x + -9 + -12x

Reorder the terms:
-9 + -12x + 5x2 = 9 + -9 + 12x + -12x

Combine like terms: 9 + -9 = 0
-9 + -12x + 5x2 = 0 + 12x + -12x
-9 + -12x + 5x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
-9 + -12x + 5x2 = 0

Factor a trinomial.
(-3 + -5x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -5x)' equal to zero and attempt to solve: Simplifying -3 + -5x = 0 Solving -3 + -5x = 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 + -5x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5x = 0 + 3 -5x = 0 + 3 Combine like terms: 0 + 3 = 3 -5x = 3 Divide each side by '-5'. x = -0.6 Simplifying x = -0.6

Subproblem 2

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

Solution

x = {-0.6, 3}

See similar equations:

| 3t-2=7.8 | | (7x-12)=(2x+9) | | 4x+2(3x-18)=52 | | 4(2x-3)=x-12+7 | | h=-16t^2+39t-25 | | 5.00+10.00x=50.00 | | 5+3x+2x+3x=x+x+x+12 | | h=-16t^2+39t | | (12-3i)+(9+2i)= | | (X-24)*5=x-80 | | -5+5x=6x-4 | | 7x-22-3x-2=90 | | f(x)=100x^2-9 | | -[n-2]=5 | | x/15+9=9 | | 3x+2x+5x=180 | | 7x-22-3x-2=180 | | -8(-4x-8)=128 | | 8v+10(6v-1)= | | 20+2(8)= | | 5x-7+3x-4+2x-9=180 | | 0.64(z-3)=4.16 | | 3r^2+16r-31=4 | | 2x+2(2x+16)=92 | | 3x+(2x+50)=180 | | 3x^3-10x^2-27=0 | | 5.5x+4.2=1.5x-6.8 | | 12x+5+14x+1+20x+36=180 | | -9-5x+3-2x= | | d(x)=20+2(8) | | -8(1.333333333+0.3333333333)+5y=-6 | | 5-3(z+6)=z-1+8z |

Equations solver categories