2x^2-12x-85=-5

Simple and best practice solution for 2x^2-12x-85=-5 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^2-12x-85=-5 equation:


Simplifying
2x2 + -12x + -85 = -5

Reorder the terms:
-85 + -12x + 2x2 = -5

Solving
-85 + -12x + 2x2 = -5

Solving for variable 'x'.

Reorder the terms:
-85 + 5 + -12x + 2x2 = -5 + 5

Combine like terms: -85 + 5 = -80
-80 + -12x + 2x2 = -5 + 5

Combine like terms: -5 + 5 = 0
-80 + -12x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-40 + -6x + x2) = 0

Factor a trinomial.
2((-4 + -1x)(10 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-4, 10}

See similar equations:

| 19x-37=229 | | x^2+y^2+8x+8y+23=0 | | 25=x-3x+1 | | 2b=a+1 | | 115.5+90+y=180 | | 5x-5=23x+6 | | 10x^2-20x-20=10 | | 7x+q=10x-23 | | 80-x^2=0 | | (X-4)(x+8)+20= | | 4x+10=50+2x | | 75+(x*2)=219 | | Logx27=2/3 | | 9x-(5x+3)=9 | | 27=7(3x-11) | | (2/8)(41/4) | | 2logx=7 | | 3x^4n+3=81 | | 10+a+2+14=1+7a | | (3/10)(2/3) | | 8+6-3(4)-10= | | 5x+4y+11=0 | | 2y+4y+5y= | | y-57=69 | | 3u^2+3=-10u | | x+x+40+x-10=180 | | 75+(x-2)=219 | | 5x+y+3y-3x= | | vs=utr | | 10/2.40 | | 6+13= | | 3/4-4=10 |

Equations solver categories