2x^2=-9x+56

Simple and best practice solution for 2x^2=-9x+56 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=-9x+56 equation:


Simplifying
2x2 = -9x + 56

Reorder the terms:
2x2 = 56 + -9x

Solving
2x2 = 56 + -9x

Solving for variable 'x'.

Reorder the terms:
-56 + 9x + 2x2 = 56 + -9x + -56 + 9x

Reorder the terms:
-56 + 9x + 2x2 = 56 + -56 + -9x + 9x

Combine like terms: 56 + -56 = 0
-56 + 9x + 2x2 = 0 + -9x + 9x
-56 + 9x + 2x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
-56 + 9x + 2x2 = 0

Factor a trinomial.
(-8 + -1x)(7 + -2x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5

Solution

x = {-8, 3.5}

See similar equations:

| 7t-t=55 | | 110.3+x=164.1 | | (4x+3)(x-3)=20x+15 | | y-2=-3x+21 | | 8x^3+4x=0 | | x^5/4=243 | | ((4-8x^3-4)/8)^(1/3) | | x^2-105=-8 | | 3m-2=2.8m | | 1/3+14=26 | | y-2=-3x+23 | | 3/8x2/9 | | sec^2x-3secx+2=0 | | X^9-512= | | 5-1/4(64/13)=x | | 6x+7y=2200 | | x^2-105=-8x | | 2w^2+3x-14=0 | | 2q+18=6q | | 3/4(2x+4)=x+9 | | x^4-4x^3+12x^2+4x-13=0 | | 20-1/4y-3y=4 | | Onethird+14=26 | | 11-18w=-11w-10 | | 7x+19-19=152-19 | | y=16.5+-14.25x | | 5n-4=1.14285714286 | | 0.45n=9 | | 4(2x-3)=5x+27 | | 7x-3x=5-3 | | 7*2-5/7-3*5 | | 4n+3=0.71428571428 |

Equations solver categories