39=-16x^2+64x

Simple and best practice solution for 39=-16x^2+64x 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 39=-16x^2+64x equation:


Simplifying
39 = -16x2 + 64x

Reorder the terms:
39 = 64x + -16x2

Solving
39 = 64x + -16x2

Solving for variable 'x'.

Reorder the terms:
39 + -64x + 16x2 = 64x + -64x + -16x2 + 16x2

Combine like terms: 64x + -64x = 0
39 + -64x + 16x2 = 0 + -16x2 + 16x2
39 + -64x + 16x2 = -16x2 + 16x2

Combine like terms: -16x2 + 16x2 = 0
39 + -64x + 16x2 = 0

Factor a trinomial.
(3 + -4x)(13 + -4x) = 0

Subproblem 1

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Subproblem 2

Set the factor '(13 + -4x)' equal to zero and attempt to solve: Simplifying 13 + -4x = 0 Solving 13 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -4x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -4x = 0 + -13 -4x = 0 + -13 Combine like terms: 0 + -13 = -13 -4x = -13 Divide each side by '-4'. x = 3.25 Simplifying x = 3.25

Solution

x = {0.75, 3.25}

See similar equations:

| 4x^2-20=8x | | 9x-10x=15+2x | | 4x^2+36x+20=0 | | 3/2x-4=5/3x | | K-10/3-3/2k=0 | | 1/4m=1/12m-3 | | x+(2x-6)=18 | | -32x-114y=1572 | | 15x+18=120 | | 9x-10x=5+2 | | 17x+6=46+-3x | | 60=27-4r | | -(48+x)=2(11-6x)+x | | 8z-42=2z | | n+(n+1)+(n+3)=-399 | | 4x^2+36x-92=0 | | 10-4x=18-6x | | 635=5x^3 | | -1*2x=1 | | 5=27-4r | | -11+-18= | | 5/11+4/9 | | -1*235x=1 | | S=c+g | | (4x^2)+2=0 | | 3x-8x=4x+27 | | 2=9a-3 | | 31=14f+21 | | =6w^2-12w-18 | | 8000=x-(.025x) | | 7p+11=-17 | | -9(y-86)=y+(-48) |

Equations solver categories