72x^2-17x=72

Simple and best practice solution for 72x^2-17x=72 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 72x^2-17x=72 equation:


Simplifying
72x2 + -17x = 72

Reorder the terms:
-17x + 72x2 = 72

Solving
-17x + 72x2 = 72

Solving for variable 'x'.

Reorder the terms:
-72 + -17x + 72x2 = 72 + -72

Combine like terms: 72 + -72 = 0
-72 + -17x + 72x2 = 0

Factor a trinomial.
(-8 + -9x)(9 + -8x) = 0

Subproblem 1

Set the factor '(-8 + -9x)' equal to zero and attempt to solve: Simplifying -8 + -9x = 0 Solving -8 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -9x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -9x = 0 + 8 -9x = 0 + 8 Combine like terms: 0 + 8 = 8 -9x = 8 Divide each side by '-9'. x = -0.8888888889 Simplifying x = -0.8888888889

Subproblem 2

Set the factor '(9 + -8x)' equal to zero and attempt to solve: Simplifying 9 + -8x = 0 Solving 9 + -8x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -8x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -8x = 0 + -9 -8x = 0 + -9 Combine like terms: 0 + -9 = -9 -8x = -9 Divide each side by '-8'. x = 1.125 Simplifying x = 1.125

Solution

x = {-0.8888888889, 1.125}

See similar equations:

| -7d(-23)=-41+9d | | p(t)=0.013t+1.210 | | -9=-63+(-66) | | 6(f-5)=4(f+24) | | -6y+18=-12 | | 3x^3+10x^2+8x= | | -6n+3(4m+2n)= | | -9+1=-6+4x | | 4(e-3)=20e | | -2(3+4)=(-2+3)+4 | | 6d-38=4d+52 | | 10c+16=(-14c)-8 | | (7x+5)(4x^2-19x-5)= | | -23=z-19 | | 7b=11b-8 | | 5+(-3)=-3+5 | | [x-2]-3=6 | | 13/7= | | 7a-11=6a+9 | | -x+9=14-21 | | -9x+1=-6+4x | | 4x+14=77-2x | | -3x(-2)*(-7)= | | -10=-3(2+6k)+2 | | 6(a+12)-5a+11= | | 9y^2+6y-4=0 | | 5(x-6)-(4x-8)=1 | | 2x-24=8x | | 3(2x+3)=7(x-6)+7 | | V=v+at | | 5q-2p=4 | | F+v-e=2 |

Equations solver categories