(-2x^2+8x-7)-(-4x^2-8x+9)+(6X^2+2x+8)=

Simple and best practice solution for (-2x^2+8x-7)-(-4x^2-8x+9)+(6X^2+2x+8)= 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+8x-7)-(-4x^2-8x+9)+(6X^2+2x+8)= equation: 


Simplifying
(-2x2 + 8x + -7) + -1(-4x2 + -8x + 9) + (6X2 + 2x + 8) = 0

Reorder the terms:
(-7 + 8x + -2x2) + -1(-4x2 + -8x + 9) + (6X2 + 2x + 8) = 0

Remove parenthesis around (-7 + 8x + -2x2)
-7 + 8x + -2x2 + -1(-4x2 + -8x + 9) + (6X2 + 2x + 8) = 0

Reorder the terms:
-7 + 8x + -2x2 + -1(9 + -8x + -4x2) + (6X2 + 2x + 8) = 0
-7 + 8x + -2x2 + (9 * -1 + -8x * -1 + -4x2 * -1) + (6X2 + 2x + 8) = 0
-7 + 8x + -2x2 + (-9 + 8x + 4x2) + (6X2 + 2x + 8) = 0

Reorder the terms:
-7 + 8x + -2x2 + -9 + 8x + 4x2 + (8 + 6X2 + 2x) = 0

Remove parenthesis around (8 + 6X2 + 2x)
-7 + 8x + -2x2 + -9 + 8x + 4x2 + 8 + 6X2 + 2x = 0

Reorder the terms:
-7 + -9 + 8 + 6X2 + 8x + 8x + 2x + -2x2 + 4x2 = 0

Combine like terms: -7 + -9 = -16
-16 + 8 + 6X2 + 8x + 8x + 2x + -2x2 + 4x2 = 0

Combine like terms: -16 + 8 = -8
-8 + 6X2 + 8x + 8x + 2x + -2x2 + 4x2 = 0

Combine like terms: 8x + 8x = 16x
-8 + 6X2 + 16x + 2x + -2x2 + 4x2 = 0

Combine like terms: 16x + 2x = 18x
-8 + 6X2 + 18x + -2x2 + 4x2 = 0

Combine like terms: -2x2 + 4x2 = 2x2
-8 + 6X2 + 18x + 2x2 = 0

Solving
-8 + 6X2 + 18x + 2x2 = 0

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + 6X2 + 18x + 8 + 2x2 = 0 + 8

Reorder the terms:
-8 + 8 + 6X2 + 18x + 2x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 6X2 + 18x + 2x2 = 0 + 8
6X2 + 18x + 2x2 = 0 + 8

Combine like terms: 0 + 8 = 8
6X2 + 18x + 2x2 = 8

Add '-18x' to each side of the equation.
6X2 + 18x + -18x + 2x2 = 8 + -18x

Combine like terms: 18x + -18x = 0
6X2 + 0 + 2x2 = 8 + -18x
6X2 + 2x2 = 8 + -18x

Add '-2x2' to each side of the equation.
6X2 + 2x2 + -2x2 = 8 + -18x + -2x2

Combine like terms: 2x2 + -2x2 = 0
6X2 + 0 = 8 + -18x + -2x2
6X2 = 8 + -18x + -2x2

Divide each side by '6'.
X2 = 1.333333333 + -3x + -0.3333333333x2

Simplifying
X2 = 1.333333333 + -3x + -0.3333333333x2

Reorder the terms:
-1.333333333 + X2 + 3x + 0.3333333333x2 = 1.333333333 + -3x + -0.3333333333x2 + -1.333333333 + 3x + 0.3333333333x2

Reorder the terms:
-1.333333333 + X2 + 3x + 0.3333333333x2 = 1.333333333 + -1.333333333 + -3x + 3x + -0.3333333333x2 + 0.3333333333x2

Combine like terms: 1.333333333 + -1.333333333 = 0.000000000
-1.333333333 + X2 + 3x + 0.3333333333x2 = 0.000000000 + -3x + 3x + -0.3333333333x2 + 0.3333333333x2
-1.333333333 + X2 + 3x + 0.3333333333x2 = -3x + 3x + -0.3333333333x2 + 0.3333333333x2

Combine like terms: -3x + 3x = 0
-1.333333333 + X2 + 3x + 0.3333333333x2 = 0 + -0.3333333333x2 + 0.3333333333x2
-1.333333333 + X2 + 3x + 0.3333333333x2 = -0.3333333333x2 + 0.3333333333x2

Combine like terms: -0.3333333333x2 + 0.3333333333x2 = 0.0000000000
-1.333333333 + X2 + 3x + 0.3333333333x2 = 0.0000000000

The solution to this equation could not be determined.

See similar equations:

| 6x+4y=122 | | (-6v^2-v-5)+(-3v^2+4v+8)-(2v^2+3v+5)= | | 12+3=8d+7 | | 4x+-6=2 | | 2/3t=-1/4 | | (3u^2+4u-7)-(9u^2-9u+8)+(8u^2-4u-3)= | | 5(2x-6)=x+6-3x | | In(x+3)-In(x-1)=In(x+2)-In(x+3) | | y^2+7y-18=3y-6 | | 5x+3(x+6)=7x+16 | | Y+24=y-25 | | 2y-2x=26 | | 2x+7-5x-12= | | 5/8a+6+3/4a | | 7y=2y+35 | | 4x-2=7x | | 11-9x=79-37 | | (-4u^2+2u+3)+(8u^2-2u-5)-(-u^2+9u+8)= | | 12.3=0.41 | | -(8-9a)-(25+8a)-8=-(6-7a)+(-a)+5 | | 22x+2=10+74 | | 5=n/8 | | 384=12(-8+5a) | | 7y+2y=35 | | 96-4x=32x+20 | | 6+4h=30 | | (9u^2-9u-6)+(-5u^2+4u+8)-(-7u^2+9u+7)= | | 11=x*5 | | -7-5x=5x+8 | | (16/7)/(8/35) | | 5x+2x-9= | | 96-4x=32+20 |

Equations solver categories