13x+15=2x^2

Simple and best practice solution for 13x+15=2x^2 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+15=2x^2 equation:


Simplifying
13x + 15 = 2x2

Reorder the terms:
15 + 13x = 2x2

Solving
15 + 13x = 2x2

Solving for variable 'x'.

Combine like terms: 2x2 + -2x2 = 0
15 + 13x + -2x2 = 0

Factor a trinomial.
(15 + -2x)(1 + x) = 0

Subproblem 1

Set the factor '(15 + -2x)' equal to zero and attempt to solve: Simplifying 15 + -2x = 0 Solving 15 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -2x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -2x = 0 + -15 -2x = 0 + -15 Combine like terms: 0 + -15 = -15 -2x = -15 Divide each side by '-2'. x = 7.5 Simplifying x = 7.5

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 = {7.5, -1}

See similar equations:

| -3(x-5)-69=3x-6(x+4) | | 6(1+x)=4(2x-1) | | 3(n+9)+4=2n | | 7x(2x-3)-(4x^2-9)=0 | | 5(x+1)=3(x-3) | | -4(4x-2)+7=-16+15 | | 5b+5-b=5(b-2)+5 | | 4x^4-13x^2+1=0 | | 9/2=x/4 | | x^2+1.6x-0.5=0 | | 9=t^3-12t | | -6x+6+9x=2x-9 | | X^2-y^2=901 | | 3x^2-84x+6=0 | | X/(2x-6) | | 5n+yr=r-9g | | 10=-16x^2+19.5x+6.5 | | (3x^2-4y)(3x^2-4y)= | | 7-3m=51+8m | | ab+3ab^2+3=0 | | K=1+3.3log(34) | | K=1+3.3log(534) | | (3x-5)/8 | | 16t^2+4096=0 | | 0=16t^2+4096 | | (13x^3y)(13xy^3)= | | (9abc)(9a^4b^4c^4)= | | ((7.6-x)^2)/(x^2-.4x) | | 1/3u-9/7=1/2 | | 1000x(x/20) | | 6(x-1)=5(x+1) | | 6(3x+4)=3(x-6) |

Equations solver categories