2x^2-7x=72

Simple and best practice solution for 2x^2-7x=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 2x^2-7x=72 equation:


Simplifying
2x2 + -7x = 72

Reorder the terms:
-7x + 2x2 = 72

Solving
-7x + 2x2 = 72

Solving for variable 'x'.

Reorder the terms:
-72 + -7x + 2x2 = 72 + -72

Combine like terms: 72 + -72 = 0
-72 + -7x + 2x2 = 0

Factor a trinomial.
(-9 + -2x)(8 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -2x)' equal to zero and attempt to solve: Simplifying -9 + -2x = 0 Solving -9 + -2x = 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 + -2x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -2x = 0 + 9 -2x = 0 + 9 Combine like terms: 0 + 9 = 9 -2x = 9 Divide each side by '-2'. x = -4.5 Simplifying x = -4.5

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 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 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-4.5, 8}

See similar equations:

| 6y/5=42 | | -4x^2=-64 | | 1/12(900+x)=87.50 | | 6.5=-4(x-1) | | 0-3x=13 | | w+3/5=51/2 | | -7v+4=-9(v-2) | | 6x^2-x-22=0 | | 4/x-10/x-2+4=0 | | 3(y+9)=-2y+37 | | 35+8v/4+2-2 | | -8v-16=8(v+4) | | (x-3)(x+4)-(3x-2)2=x-8x(x-1) | | 6(x+6)+2x=20 | | 1/3u-5/7=-1/2 | | 8=4(v-8)+6v | | 6-3xn=4xn | | -20=5/8u | | 6-(3xn)=4xn | | (13)=5n-2 | | (y-1)/(y+2)=1-(2/y) | | 13=5n-2 | | 3(2x-3)+2(x+1)=9x-3 | | n=5n-2 | | -2/5x=-14 | | T(n)=5n-2 | | (1/5)(5x+5)=4 | | -7y/3=21 | | 7(p-2)-2(7-3p)+2=o | | 3(6x-2)=9x | | .16=.04+b(.08) | | 6/x=x/150 |

Equations solver categories