9+2x^2=2x(x-4)+1

Simple and best practice solution for 9+2x^2=2x(x-4)+1 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 9+2x^2=2x(x-4)+1 equation:


Simplifying
9 + 2x2 = 2x(x + -4) + 1

Reorder the terms:
9 + 2x2 = 2x(-4 + x) + 1
9 + 2x2 = (-4 * 2x + x * 2x) + 1
9 + 2x2 = (-8x + 2x2) + 1

Reorder the terms:
9 + 2x2 = 1 + -8x + 2x2

Add '-2x2' to each side of the equation.
9 + 2x2 + -2x2 = 1 + -8x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
9 + 0 = 1 + -8x + 2x2 + -2x2
9 = 1 + -8x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
9 = 1 + -8x + 0
9 = 1 + -8x

Solving
9 = 1 + -8x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8x' to each side of the equation.
9 + 8x = 1 + -8x + 8x

Combine like terms: -8x + 8x = 0
9 + 8x = 1 + 0
9 + 8x = 1

Add '-9' to each side of the equation.
9 + -9 + 8x = 1 + -9

Combine like terms: 9 + -9 = 0
0 + 8x = 1 + -9
8x = 1 + -9

Combine like terms: 1 + -9 = -8
8x = -8

Divide each side by '8'.
x = -1

Simplifying
x = -1

See similar equations:

| 10=-5/12x | | 20=-7u+5(u+6) | | 7.57=2(w-3.05)+0.07 | | -(5/9)(-4) | | x+7=-2 | | 20=-7u | | 4x-9y=168.75 | | -5=w+4 | | h^2+5h+6= | | 1.5(b+2.4)-3=6.15 | | 14x+2y=90 | | 3.67(g+2)=18.35 | | 5-s=11 | | 0.7(h+0.7)+4.39=0.26 | | 4(h-11)+-18=2 | | 3y+3=24 | | 2x+83=8X+5 | | 34=1/3e^4x | | -2(v+4)=-4 | | -54=9m | | 4=2(q-4) | | x^2+16x+15= | | 6.7-n=2.4 | | 12=47-m | | ln(5)-ln(x)=3 | | 9+2(3x+8)=31 | | 40-8=4m | | 2(u-7)=2 | | 18v+6v-24=96 | | 10a-19=3 | | g(t)=5t^2-9t+3 | | 197+s=-40 |

Equations solver categories