2x^2+7x-3=-8

Simple and best practice solution for 2x^2+7x-3=-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 2x^2+7x-3=-8 equation:


Simplifying
2x2 + 7x + -3 = -8

Reorder the terms:
-3 + 7x + 2x2 = -8

Solving
-3 + 7x + 2x2 = -8

Solving for variable 'x'.

Reorder the terms:
-3 + 8 + 7x + 2x2 = -8 + 8

Combine like terms: -3 + 8 = 5
5 + 7x + 2x2 = -8 + 8

Combine like terms: -8 + 8 = 0
5 + 7x + 2x2 = 0

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

Subproblem 1

Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 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 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-2.5, -1}

See similar equations:

| 6v-3v= | | -144x+15=-150 | | -24z^5+10z^4+4z^3= | | 8-x+5-3-9x= | | (x+3)+3=8 | | x+(x-2)+x=180 | | 3(m+7)+9m+1= | | 5-6(x-5)=4x+35-10x | | 12=4(3+4y) | | -11-18=-12x+5 | | 9(6x-5)=305 | | (2x+2)(x+1)=0 | | 4.8-2x=-8.2 | | 7g+3G-10=4g-12 | | 5x+7-10= | | -261=-9(2v-7) | | -66+3x=-6x+114 | | x=2ln(4y) | | 10(5x-11)=340 | | 2sin^2x-7sinx+6= | | 18=9a | | x^2-18*x+45=0 | | -66-x=-8x+81 | | 6x=y^2-15y | | x-32=-55 | | 2(4)+y=1 | | -60(k-4)=30(k-2) | | 17x-19-8x=83 | | Y-4=o | | 5x-2(0)=4 | | 6x-5-5x-7=26 | | 6y=x^2-15x |

Equations solver categories