2x^2-10+3x=x*x-2*2+1

Simple and best practice solution for 2x^2-10+3x=x*x-2*2+1 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^2-10+3x=x*x-2*2+1 equation:


Simplifying
2x2 + -10 + 3x = x * x + -2 * 2 + 1

Reorder the terms:
-10 + 3x + 2x2 = x * x + -2 * 2 + 1

Multiply x * x
-10 + 3x + 2x2 = x2 + -2 * 2 + 1

Multiply -2 * 2
-10 + 3x + 2x2 = x2 + -4 + 1

Reorder the terms:
-10 + 3x + 2x2 = -4 + 1 + x2

Combine like terms: -4 + 1 = -3
-10 + 3x + 2x2 = -3 + x2

Solving
-10 + 3x + 2x2 = -3 + x2

Solving for variable 'x'.

Reorder the terms:
-10 + 3 + 3x + 2x2 + -1x2 = -3 + x2 + 3 + -1x2

Combine like terms: -10 + 3 = -7
-7 + 3x + 2x2 + -1x2 = -3 + x2 + 3 + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
-7 + 3x + 1x2 = -3 + x2 + 3 + -1x2

Reorder the terms:
-7 + 3x + 1x2 = -3 + 3 + x2 + -1x2

Combine like terms: -3 + 3 = 0
-7 + 3x + 1x2 = 0 + x2 + -1x2
-7 + 3x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-7 + 3x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '7' to each side of the equation.
-7 + 3x + 7 + x2 = 0 + 7

Reorder the terms:
-7 + 7 + 3x + x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 3x + x2 = 0 + 7
3x + x2 = 0 + 7

Combine like terms: 0 + 7 = 7
3x + x2 = 7

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 7 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 7 + 2.25

Combine like terms: 7 + 2.25 = 9.25
2.25 + 3x + x2 = 9.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 9.25

Calculate the square root of the right side: 3.041381265

Break this problem into two subproblems by setting 
(x + 1.5) equal to 3.041381265 and -3.041381265.

Subproblem 1

x + 1.5 = 3.041381265 Simplifying x + 1.5 = 3.041381265 Reorder the terms: 1.5 + x = 3.041381265 Solving 1.5 + x = 3.041381265 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 3.041381265 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 3.041381265 + -1.5 x = 3.041381265 + -1.5 Combine like terms: 3.041381265 + -1.5 = 1.541381265 x = 1.541381265 Simplifying x = 1.541381265

Subproblem 2

x + 1.5 = -3.041381265 Simplifying x + 1.5 = -3.041381265 Reorder the terms: 1.5 + x = -3.041381265 Solving 1.5 + x = -3.041381265 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -3.041381265 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -3.041381265 + -1.5 x = -3.041381265 + -1.5 Combine like terms: -3.041381265 + -1.5 = -4.541381265 x = -4.541381265 Simplifying x = -4.541381265

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.541381265, -4.541381265}

See similar equations:

| -2x+5y=59 | | (2s-3)(2s+3)= | | 2x+1-3x+5=3x(x+10) | | x^2+5x-8=4x+4 | | x+6y=47 | | 8a-3(2a+5)=25 | | (5x+7)(5x-7)= | | 2x*2x+3*3=1 | | -2(3x-4)-(2x+6)=-38 | | 5w+3w-9=55 | | (3x+2)(3x-2)= | | 29=1+7v | | 5y^3-y^3= | | 3b+2=14 | | 6(2x+8)+4(-3x-6)= | | 6(b+2)=-24 | | -2x^4-100=0 | | 3(3x)=42 | | 5y^3(-y^3)= | | 12x-4y=20(y) | | 5(-2y+2)= | | -4(r+3)+6r=-30 | | -4f+1=-2 | | 6k-4(-3k+2)=10 | | 5(2x+7)-(5x-4)= | | 4f+1=-2 | | 4(5x+7)+3(2x-4)= | | 125x^3+216=0 | | 7+4x-5=-14 | | -8=-(p-8) | | 5y-4=11 | | 30x^2=4320 |

Equations solver categories