13x^2+5x-8=0

Simple and best practice solution for 13x^2+5x-8=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 13x^2+5x-8=0 equation:


Simplifying
13x2 + 5x + -8 = 0

Reorder the terms:
-8 + 5x + 13x2 = 0

Solving
-8 + 5x + 13x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -1x)(8 + -13x) = 0

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 '(8 + -13x)' equal to zero and attempt to solve: Simplifying 8 + -13x = 0 Solving 8 + -13x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -13x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -13x = 0 + -8 -13x = 0 + -8 Combine like terms: 0 + -8 = -8 -13x = -8 Divide each side by '-13'. x = 0.6153846154 Simplifying x = 0.6153846154

Solution

x = {-1, 0.6153846154}

See similar equations:

| 5xy+7=62 | | X^2+5x=x^2-x-12 | | 6x-5=4x+15 | | 9x+10(2x+33000)=45640 | | -4-11=4r+21 | | -9=t-11 | | 2x+8=64-5 | | 12-9x=157-44x | | 2-ax=-8 | | x^3+3x=85 | | .333(x-2)=4 | | 5x+10(3x+44000)=513000 | | 7xy+2yx+8xy= | | 3x-8(4x-6)+8(x+4)=0 | | X-4x=-25+3+22 | | s-14.2=-18.7 | | 5(x-3)-2(x+1)=4 | | (5x^2+7x)(12x^2-5x-3)=0 | | 3x+15=74-3x | | -9x+23=88 | | -24+18= | | p+(-26)=-13.8 | | (x^2-xy+y^2)+3xy=0 | | 2f-3g+5g-6f= | | a+6b+a+5c= | | 3[5-3(5-t)]-5=5[3(5t-5)+10]-45 | | s(x)=.5x^2-8x+34 | | 3(y+2)=16*2y | | 2c+19=45 | | b^2x^2-5bx+4=0 | | x-0.7=1.9 | | -(5y+3)-(-4y-8)=2 |

Equations solver categories