2x^2+10x-28=

Simple and best practice solution for 2x^2+10x-28= 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+10x-28= equation:


Simplifying
2x2 + 10x + -28 = 0

Reorder the terms:
-28 + 10x + 2x2 = 0

Solving
-28 + 10x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-14 + 5x + x2) = 0

Factor a trinomial.
2((-7 + -1x)(2 + -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 '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-7, 2}

See similar equations:

| 9y^3+36y^2+36=0 | | 3(x-8)=2(5x-12) | | 4x+2x=3 | | -x-8=9x-4 | | 2x^2-30x+72=0 | | 256x+4=0 | | 256x=-4 | | 3-5.5w=-5.2w+3 | | x^5-6x^4+11x^3-2x^2-12x+8=0 | | -4(24+8y)= 64 | | X^2-6x-27= | | X^5-5X^3+5X+2=0 | | Y=4(x+6)(x-9) | | 5(x+6)=(5x+30) | | 5x+148=15-12 | | 3(x)-5=7(x)-17 | | 5(3776x)56= | | 2x+3=-10+x | | 7p=5(5p+6) | | 4y-3(3x+2)+2x= | | (x+6)+x+34=180 | | x-12=4+5x | | (3x+15)+x+45=180 | | 4(x+1)=6(x-2)-4 | | 5x+9=2x | | x+(x-32)=78 | | 6q^2+17q+5=0 | | 5a-3a-5+1=10 | | x+(32-x)=78 | | 3x-8=3(x+3) | | 7(1-x)+21=14 | | 2y-3(y-1)=15-4y |

Equations solver categories