2x^2+x-15=x

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


Simplifying
2x2 + x + -15 = x

Reorder the terms:
-15 + x + 2x2 = x

Add '-1x' to each side of the equation.
-15 + x + -1x + 2x2 = x + -1x

Combine like terms: x + -1x = 0
-15 + 0 + 2x2 = x + -1x
-15 + 2x2 = x + -1x

Combine like terms: x + -1x = 0
-15 + 2x2 = 0

Solving
-15 + 2x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '15' to each side of the equation.
-15 + 15 + 2x2 = 0 + 15

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

Combine like terms: 0 + 15 = 15
2x2 = 15

Divide each side by '2'.
x2 = 7.5

Simplifying
x2 = 7.5

Take the square root of each side:
x = {-2.738612788, 2.738612788}

See similar equations:

| 5v^2-10=2v | | R/3=20 | | 1098=6(x+16) | | -2(3+x)=19 | | -9/2x=3/8(7-4x) | | -4(.1x+.2)-1.2=.4 | | -3x-12=-5x+6 | | sin^-1(-sq2/2) | | 26=(x-3)2-10 | | 27+5x-3x=2+7x-5 | | 7x+4y=26 | | 9-(3x-1)=7x | | -32x=56 | | -22+8x=10+6x | | 6-2x-9+3x-8+8+4+2x=-3x+1 | | 3-6r=2r-9 | | 8.4-6.8=14.2+6.3o | | 3g+17.2=11.6 | | 4-(5-x)=2x | | -30+7x=-X+42 | | X^2-11x-33=-2x+3 | | log[7](5x-11)=2 | | -3/2-6/5x=-7/3 | | 1/3u-8/5=-5/2 | | -16/-10 | | Y=log(5)x | | 40x=60+30x | | -3+u=20 | | 8x-65=X+40 | | x(5+4)=x+20-2x | | 8e-27= | | tan64=x/11 |

Equations solver categories