2x^2+2-x^2-5x+8=

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


Simplifying
2x2 + 2 + -1x2 + -5x + 8 = 0

Reorder the terms:
2 + 8 + -5x + 2x2 + -1x2 = 0

Combine like terms: 2 + 8 = 10
10 + -5x + 2x2 + -1x2 = 0

Combine like terms: 2x2 + -1x2 = 1x2
10 + -5x + 1x2 = 0

Solving
10 + -5x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -5x + -10 + x2 = 0 + -10

Reorder the terms:
10 + -10 + -5x + x2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -5x + x2 = 0 + -10
-5x + x2 = 0 + -10

Combine like terms: 0 + -10 = -10
-5x + x2 = -10

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -10 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -10 + 6.25

Combine like terms: -10 + 6.25 = -3.75
6.25 + -5x + x2 = -3.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -3.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4t^2-1t+5=2 | | -(3x-8)+1=6x+9(1-x) | | 8x-25=30-3x+5-4x | | 3.5-3a-7b+5a= | | 2+0.1(45-x)=1.6x-(0.4x-2.6) | | -4x^2=17x+15 | | 2x+28=3+5x-5 | | -3n+23=34 | | 0.3x+0.5=0.8x-4.0 | | 4x+16=100 | | 53-7x=2x+21 | | 4xn+16=100 | | 13-7x=88-28x | | x(5+x^2)=6 | | x(5+xz^2)=6 | | Y-22=-30 | | 8+y=13-2(y+1) | | g(x)=2x^4-6x^2-5 | | 8(y-3)=-2(5+y) | | -6+5x+x^3=0 | | 0.3m-4=2 | | 11y-4-6y=6y-1 | | 26-2x=4x-4 | | 5x+x^3=6 | | 2x^3+10x-12=0 | | 2x^3-10x-12=0 | | (4v-2)(5v+4)= | | (-9x^2y^3)(3xy^5)= | | 6x^2+6x-72=0 | | 9h^2-3h-2=0 | | 5(2y-17)=60 | | 3x^2-7x-7=0 |

Equations solver categories