-3=2x^2-3x+5

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


Simplifying
-3 = 2x2 + -3x + 5

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

Solving
-3 = 5 + -3x + 2x2

Solving for variable 'x'.

Combine like terms: -3 + -5 = -8
-8 + 3x + -2x2 = 5 + -3x + 2x2 + -5 + 3x + -2x2

Reorder the terms:
-8 + 3x + -2x2 = 5 + -5 + -3x + 3x + 2x2 + -2x2

Combine like terms: 5 + -5 = 0
-8 + 3x + -2x2 = 0 + -3x + 3x + 2x2 + -2x2
-8 + 3x + -2x2 = -3x + 3x + 2x2 + -2x2

Combine like terms: -3x + 3x = 0
-8 + 3x + -2x2 = 0 + 2x2 + -2x2
-8 + 3x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-8 + 3x + -2x2 = 0

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

Divide each side by '-2'.
4 + -1.5x + x2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -1.5x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + -1.5x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1.5x + x2 = 0 + -4
-1.5x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-1.5x + x2 = -4

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = -4 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = -4 + 0.5625

Combine like terms: -4 + 0.5625 = -3.4375
0.5625 + -1.5x + x2 = -3.4375

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = -3.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -5(1-5)+5(-8-2)=-4-8 | | 7z-1=6 | | 48=10x+6x | | 28+7n=15-7n | | (5x-8)=27 | | 2x+13+115-4+69=180 | | 3(x-2)=9x-4x+7 | | 6(m-1)=3(-3m-5) | | -(n-8)=16 | | (1.6)x=21 | | 3x=(6-x)(3) | | 9t-17=7t-11 | | n^2=0-5n-14 | | 60=6(-N) | | 0.4(x+30)+0.4x=28 | | (M^4N^5)3= | | 6(m-1)=-3(-4m-5) | | 1/5(2x-20)+4x=-3(1/5x-7) | | 2x-4x=45 | | 3n+10=-2n | | 6(m-1)=3(-4m-5) | | 3(5n-4)=4(6n-3) | | x+y+30=90 | | 3*m+m=120 | | 6(m-1)=3(-4mz-5) | | (5A^2B^5)(-2AB^6)= | | 5-10q=7q+6 | | 6n-(4n-3)=34 | | 5a+17a+48=180 | | 4z-12=-2w | | [3(x+1)]=-15 | | -(r-3)+1=-(2+7r) |

Equations solver categories