3x^2=56-17x

Simple and best practice solution for 3x^2=56-17x 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 3x^2=56-17x equation:


Simplifying
3x2 = 56 + -17x

Solving
3x2 = 56 + -17x

Solving for variable 'x'.

Reorder the terms:
-56 + 17x + 3x2 = 56 + -17x + -56 + 17x

Reorder the terms:
-56 + 17x + 3x2 = 56 + -56 + -17x + 17x

Combine like terms: 56 + -56 = 0
-56 + 17x + 3x2 = 0 + -17x + 17x
-56 + 17x + 3x2 = -17x + 17x

Combine like terms: -17x + 17x = 0
-56 + 17x + 3x2 = 0

Factor a trinomial.
(-8 + -1x)(7 + -3x) = 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 + -3x)' equal to zero and attempt to solve: Simplifying 7 + -3x = 0 Solving 7 + -3x = 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 + -3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3x = 0 + -7 -3x = 0 + -7 Combine like terms: 0 + -7 = -7 -3x = -7 Divide each side by '-3'. x = 2.333333333 Simplifying x = 2.333333333

Solution

x = {-8, 2.333333333}

See similar equations:

| 2+0.75x=8 | | -6(5x-1)=-2x+6 | | 4x+7y=-6 | | 18x-16=19x-14 | | 2b^2+12b+18=0 | | 1+28x+1+28x=59x-1 | | 4x+7=-6 | | 419x+332=1944 | | 4*4=16 | | 0=3x(x) | | 4(5-9x-9x)+8(8x+4)=20 | | -8=x-15 | | x-2=3x-4 | | 4(13)+2y=52 | | 0.7+0.2x+1.1x-2.7= | | 14x+18y=126 | | Y=128t-16t^2 | | 24b^2+25=b^4 | | 185-x=461 | | 819+x=630 | | 6+4z-13z=24 | | -2y^2=-32 | | 5x+2x-3=-3x | | 7r+4r=17-25 | | log^8(7x-1)=log^8(5x+4) | | 33+12x=189 | | 36=25c^2 | | 3w(4w+12)=-24 | | 24-5(x)=86 | | -4x+3=-41 | | 3w-10w=-28 | | -9x+58+6x-14=26 |

Equations solver categories