x^2+3x-15=5x

Simple and best practice solution for x^2+3x-15=5x 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 x^2+3x-15=5x equation:


Simplifying
x2 + 3x + -15 = 5x

Reorder the terms:
-15 + 3x + x2 = 5x

Solving
-15 + 3x + x2 = 5x

Solving for variable 'x'.

Reorder the terms:
-15 + 3x + -5x + x2 = 5x + -5x

Combine like terms: 3x + -5x = -2x
-15 + -2x + x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-15 + -2x + x2 = 0

Factor a trinomial.
(-3 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

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 = {-3, 5}

See similar equations:

| (-87)+(-305)= | | 4/2x-312 | | 16+(-18)+(-3)+4= | | Y-12+3y-8=18 | | X-3x=15-1 | | P^2+8p= | | 7a=8x/7a | | 6x^2w-x-15=0 | | 5+ln(x+1)=2 | | 5+2x+12=4x+17-2x | | (5x-5)(13x-2)=0 | | 10-2x=4x+1 | | -x+y=12 | | 10-1/3X=9 | | 4u-7v+9v+u+5u+2v= | | h(x)=-0.0022x^2+0.91x+3.2 | | -7x-6y=-20 | | -v=6 | | 3-(3x)=21 | | y=390+17(-50) | | y=780+41(45) | | (6x-5y+4)dy+(y-2x-1)dx=0 | | A=1/2(x-6)(6x-12) | | -6x^2+68=2x^2-4 | | 11x+3y=97 | | On(8x-1)=2 | | 8y-9=14y+39 | | 3x^4+4x^3-8x-80=0 | | 4x-5[5-(8-4x)]= | | 10C+8P=120 | | Q(12-2Q)=0 | | 6x+5x=3x+2-54 |

Equations solver categories