0=-x^2+16x-28

Simple and best practice solution for 0=-x^2+16x-28 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 0=-x^2+16x-28 equation:


Simplifying
0 = -1x2 + 16x + -28

Reorder the terms:
0 = -28 + 16x + -1x2

Solving
0 = -28 + 16x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + 28 = 28
28 + -16x + x2 = -28 + 16x + -1x2 + 28 + -16x + x2

Reorder the terms:
28 + -16x + x2 = -28 + 28 + 16x + -16x + -1x2 + x2

Combine like terms: -28 + 28 = 0
28 + -16x + x2 = 0 + 16x + -16x + -1x2 + x2
28 + -16x + x2 = 16x + -16x + -1x2 + x2

Combine like terms: 16x + -16x = 0
28 + -16x + x2 = 0 + -1x2 + x2
28 + -16x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
28 + -16x + x2 = 0

Factor a trinomial.
(2 + -1x)(14 + -1x) = 0

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(14 + -1x)' equal to zero and attempt to solve: Simplifying 14 + -1x = 0 Solving 14 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1x = 0 + -14 -1x = 0 + -14 Combine like terms: 0 + -14 = -14 -1x = -14 Divide each side by '-1'. x = 14 Simplifying x = 14

Solution

x = {2, 14}

See similar equations:

| 1+1nx^2=2 | | log(x-1)=log(x-2)-log(x+2) | | 4x+21=-23 | | z*z+z+1+i=0 | | 6x-12=3(x+7) | | 5y+11=39 | | 51=m+3 | | -x^2-15x-54=0 | | 11x+(-34)=-100 | | X^3y+cos(pit)=7 | | -8x+12=172 | | log(x-1)=log(x-2)+log(x+2) | | 4a-4/162 | | 5x-7(x+2)=1 | | 4x+18=-42 | | 45x^2+2x-30=0 | | 10x+72=122 | | ln(y)=2.3x+1.6 | | -12x-14x-35-5x+3(15)-5x=2(7x) | | -9x+36=-63 | | (Cos-1(1/2)) | | x-2/4=5x/10 | | x=5+2*10 | | 7(4y-2)+4=16 | | 7x-y=292 | | 11x+-4+70=60+5 | | Log(x-1)=log(x+2)-log(x+2) | | X+5=x+40 | | Log(3)Y=5 | | 6x+5=10x+1 | | 8-21=35 | | 6q-8-10q=-20 |

Equations solver categories