9x^2-18x+9=16x^2

Simple and best practice solution for 9x^2-18x+9=16x^2 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^2-18x+9=16x^2 equation:


Simplifying
9x2 + -18x + 9 = 16x2

Reorder the terms:
9 + -18x + 9x2 = 16x2

Solving
9 + -18x + 9x2 = 16x2

Solving for variable 'x'.

Combine like terms: 9x2 + -16x2 = -7x2
9 + -18x + -7x2 = 16x2 + -16x2

Combine like terms: 16x2 + -16x2 = 0
9 + -18x + -7x2 = 0

Factor a trinomial.
(3 + -7x)(3 + x) = 0

Subproblem 1

Set the factor '(3 + -7x)' equal to zero and attempt to solve: Simplifying 3 + -7x = 0 Solving 3 + -7x = 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 + -7x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -7x = 0 + -3 -7x = 0 + -3 Combine like terms: 0 + -3 = -3 -7x = -3 Divide each side by '-7'. x = 0.4285714286 Simplifying x = 0.4285714286

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {0.4285714286, -3}

See similar equations:

| 4(x+5)-2(x-9)=24 | | -4/7-6/7 | | -4//7-6//7 | | 2t+12j=33 | | 4/9x=-10 | | y^2=3(x-4) | | x^2=25-.3333y | | 9(x+6)+5=21 | | (50a^6)-(32a^4)= | | 3x^2+y=75 | | x-0.2x=432000 | | 4b+1=22-3b | | 7y+8=3y+36 | | F(-5)=X^2-50 | | (2m-1)x^2+(3m-4)x+3m+11=0 | | 0.89=ln(y) | | 23+(2323+2324)*32= | | 116=8t-4 | | 116=18-4 | | 5n+15=70 | | -5=3a-17 | | 77=5t+2 | | 2n-12=-2 | | 4a-5=2a+15 | | |4/5*-3/7|=6/7 | | -20.3=-2.9x | | -2-.3=-2.9x | | 23211+250+x=1.25x | | 4442+250+x=1.25x | | 2x^2/5*30/x^3 | | 24+20t+4t^2= | | 4442+250+x=1.28x |

Equations solver categories