2x^2-20x-5=17

Simple and best practice solution for 2x^2-20x-5=17 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^2-20x-5=17 equation:


Simplifying
2x2 + -20x + -5 = 17

Reorder the terms:
-5 + -20x + 2x2 = 17

Solving
-5 + -20x + 2x2 = 17

Solving for variable 'x'.

Reorder the terms:
-5 + -17 + -20x + 2x2 = 17 + -17

Combine like terms: -5 + -17 = -22
-22 + -20x + 2x2 = 17 + -17

Combine like terms: 17 + -17 = 0
-22 + -20x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-11 + -10x + x2) = 0

Factor a trinomial.
2((-1 + -1x)(11 + -1x)) = 0

Ignore the factor 2.

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 '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Solution

x = {-1, 11}

See similar equations:

| 113-4x=10 | | 20+(x-6)=6x | | -48=-5+8-1 | | 0=2x^2+x+1 | | 5+2.16667x=24.5 | | 7(-7x+5)=-308 | | 32(x+-1)+117x+11(x+3)=621 | | 5+2.16667x=11.5 | | 32(x+-1)+117x+10(x+2)=621 | | 12z=192 | | 4x+15=x+x+x+x+15 | | 32(x+-1)+117x+10(x+3)=621 | | 32(x-1)+117x+10(x+3)=622 | | pl=x+7 | | pn=6x+2 | | Y=(x+1)(x-3)(x-3) | | 8x^2+28x+21=0 | | 66=.5h(4+7) | | 198=4x+2(6x+3) | | 1x+2x=25 | | -1.5x+2.5= | | 6(6n+3)=4(2+5n) | | 8x-169=2x-13 | | 21x^2+12x= | | -2x+19y=-29 | | 40-x=90 | | 3x^4+8x^3-1=0 | | 4x^4-8x^3+12x^2= | | 3x^2-5=1 | | x*32=3x*8 | | 13+-2n=19 | | 9x+13=-8x-16 |

Equations solver categories