2x^2-9x+12=-2x+2

Simple and best practice solution for 2x^2-9x+12=-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 2x^2-9x+12=-2x+2 equation:


Simplifying
2x2 + -9x + 12 = -2x + 2

Reorder the terms:
12 + -9x + 2x2 = -2x + 2

Reorder the terms:
12 + -9x + 2x2 = 2 + -2x

Solving
12 + -9x + 2x2 = 2 + -2x

Solving for variable 'x'.

Reorder the terms:
12 + -2 + -9x + 2x + 2x2 = 2 + -2x + -2 + 2x

Combine like terms: 12 + -2 = 10
10 + -9x + 2x + 2x2 = 2 + -2x + -2 + 2x

Combine like terms: -9x + 2x = -7x
10 + -7x + 2x2 = 2 + -2x + -2 + 2x

Reorder the terms:
10 + -7x + 2x2 = 2 + -2 + -2x + 2x

Combine like terms: 2 + -2 = 0
10 + -7x + 2x2 = 0 + -2x + 2x
10 + -7x + 2x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
10 + -7x + 2x2 = 0

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
5 + -3.5x + x2 = 0

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -3.5x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + -3.5x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -3.5x + x2 = 0 + -5
-3.5x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
-3.5x + x2 = -5

The x term is -3.5x.  Take half its coefficient (-1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
-3.5x + 3.0625 + x2 = -5 + 3.0625

Reorder the terms:
3.0625 + -3.5x + x2 = -5 + 3.0625

Combine like terms: -5 + 3.0625 = -1.9375
3.0625 + -3.5x + x2 = -1.9375

Factor a perfect square on the left side:
(x + -1.75)(x + -1.75) = -1.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x=6(x-1) | | 6(x-5)+6=4(x-5) | | x^3+6x+20=0 | | 3x=(38-35)3 | | 7(4x+9)-13=-87 | | 5-2(3-5x)=6x | | 84in^2=(w+3)(w+w+3) | | -21.6=-2.4c | | x^2-6x+90=0 | | 3x+1=-(x-17) | | 4(x-5)+6=2(x-6) | | 3x=(38-35) | | -3(3s-2)-6=-3(7s+0)-5 | | 12-5(x+2)=8+x | | x^2+49=64 | | -3x+10=-2(3x+1) | | (9x-4)(81x^2-72x+16)=0 | | 0.9(8x+5)=16-(x-3) | | 2(x+7)=3x | | 7(-4x-7)=-161 | | 0.8(x-8)=3.2 | | 5m-4=3m-4+2m | | -x^2+5x+2=0 | | 4x-x=46 | | 17-(x+5)=8x-6 | | 0.36(18)+0.06x=0.18(24+x) | | 5(4x-1)=20 | | 2x^2-6=-38 | | 8+2s-6=8s+14-4s | | 6x-36=3(4x-6) | | 2a-[3a-(a-5)]-7= | | -4(x+2)+3=6(x+2)+1 |

Equations solver categories