x^2+x=3x-5

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


Simplifying
x2 + x = 3x + -5

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

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

Solving
x + x2 = -5 + 3x

Solving for variable 'x'.

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

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

Reorder the terms:
5 + -2x + x2 = -5 + 5 + 3x + -3x

Combine like terms: -5 + 5 = 0
5 + -2x + x2 = 0 + 3x + -3x
5 + -2x + x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
5 + -2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -2x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + -2x + x2 = 0 + -5

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

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

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -5 + 1

Reorder the terms:
1 + -2x + x2 = -5 + 1

Combine like terms: -5 + 1 = -4
1 + -2x + x2 = -4

Factor a perfect square on the left side:
(x + -1)(x + -1) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 16y=-8x-16 | | =-6b^2-9bc+6c^2 | | 9=8x-15 | | -2x-4y=4 | | 15=-5x-10 | | 0=x^2+3x-3y-5 | | =(b^2-6mn+4x^2)-(5m^2+3mn-2x^2) | | y=8x-8 | | 5+3+a=A+4+a | | =(2x^2+4x-7)-(9x^2-5x+4) | | 52.5=.5*15*x | | 10+A+a=2A+a | | x=52.5*.5*15 | | =2x^2-7xy-4y^2 | | 10y-36+4y-6+y=3 | | 5(d-2)(d+1)(2d+1)=0 | | 52.5=.5*15*h | | =3r^4-r^3t-4r^2t^2+6rt^2+4r^2t^2-4rt^3(6x^2+2xy-y^2)+(4x^2-9xy-3y^2) | | 9(k-1)=-4k^2 | | =(-5x^3-8x^2+4)+(-4x^3+x-9) | | =(5x^3-8x^2+4)+(-4x^3+x-9) | | 6m^4-1= | | =(5x^2+3x-6)+(-7x^2-5x+1) | | 9(b^2-2b)=8b^2-81 | | (-7p^3-6p+3)(-6p+2)= | | 7c+2(c-4)=0 | | =-2x^3-8x^2+6x-1 | | A+a+a=B+c | | 5d^3-40d^2=-75d | | 10x+x=5+8x | | 16r^2-8r-15=0 | | 10x+x=7+12x |

Equations solver categories