(x^2-x-5)-(-3x^2+8x+8)=

Simple and best practice solution for (x^2-x-5)-(-3x^2+8x+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 (x^2-x-5)-(-3x^2+8x+8)= equation:


Simplifying
(x2 + -1x + -5) + -1(-3x2 + 8x + 8) = 0

Reorder the terms:
(-5 + -1x + x2) + -1(-3x2 + 8x + 8) = 0

Remove parenthesis around (-5 + -1x + x2)
-5 + -1x + x2 + -1(-3x2 + 8x + 8) = 0

Reorder the terms:
-5 + -1x + x2 + -1(8 + 8x + -3x2) = 0
-5 + -1x + x2 + (8 * -1 + 8x * -1 + -3x2 * -1) = 0
-5 + -1x + x2 + (-8 + -8x + 3x2) = 0

Reorder the terms:
-5 + -8 + -1x + -8x + x2 + 3x2 = 0

Combine like terms: -5 + -8 = -13
-13 + -1x + -8x + x2 + 3x2 = 0

Combine like terms: -1x + -8x = -9x
-13 + -9x + x2 + 3x2 = 0

Combine like terms: x2 + 3x2 = 4x2
-13 + -9x + 4x2 = 0

Solving
-13 + -9x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -1x)(13 + -4x) = 0

Subproblem 1

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

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 = {-1, 3.25}

See similar equations:

| 3/4n=20 | | -[9x+(9x+4)]=3-(6x+6) | | 4x+7-1=x+4 | | (-7p^2+2p-2)+(2p^2-2p+4)= | | 5q=4+(2q+2) | | 1.5p=2.25 | | f(5)=2x+4 | | q-(14+2q)=13+(2q-3) | | 9x^2-54x-81=0 | | 108.8+48+26=180 | | q-(2-q)=-2(-2q-4) | | 6x^2+19x=11 | | 6x+131+3x+175=180 | | 0=-0.01x^2+0.25x-.46 | | 2n+12=12 | | 2n+12=14 | | 6=-12+n/-7 | | 6^2-27/9*4-1 | | x^2-18x+69=0 | | 3x+175=6x+131 | | 4(5x-9)-19x=2 | | 29-3x=4x+1 | | X-(-11)=-21 | | 4y-9=11 | | 0=-0.01x^2+0.25x+9.04 | | 5.5x=88 | | 2x+35+4x+37=180 | | -2x+15=-21 | | 9-4/5(y-3)=1 | | 14(t-6)+7t=7(3t+2)-11 | | 8x+97+6x+195=180 | | -10+x=-13 |

Equations solver categories