2x^2+4x-70=0

Simple and best practice solution for 2x^2+4x-70=0 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+4x-70=0 equation:


Simplifying
2x2 + 4x + -70 = 0

Reorder the terms:
-70 + 4x + 2x2 = 0

Solving
-70 + 4x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-35 + 2x + x2) = 0

Factor a trinomial.
2((-7 + -1x)(5 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-7, 5}

See similar equations:

| 6x+9=-33-8x | | 8(1+5)+5=13+5 | | 3(x-7)-65=7x-4(x-3) | | -29-2x=11-10x | | 4=-c+11 | | 54-4x=7x+21 | | 2a^2=9a | | 10x-10+4x+8=180 | | -x+2=-5 | | 6x+13=101-5 | | -38+a=-5(-5a-2) | | 11-2n=5 | | z^2+9z+20=0 | | 15=6x-10 | | 4r+5(r+3)=19+5r | | 4x-2=11x-51 | | r^2-30+29=0 | | 4x+26=13x-46 | | 12x-11=8x+5 | | 32-8b=8(-3b-8) | | 4(x-60)+5=180-(76+13) | | 7x-9=12x+42 | | 6n+34=8(8-3n) | | -3x+11=2 | | n+5=11 | | 8=29 | | -7(z+2)=-8z | | 5=-z-3 | | 3(x+2)+3=4(x-4)+4 | | -4x-5=3x+8 | | y+x=12 | | 5=-2-3 |

Equations solver categories