3x^2+8x-10=2x^2+5x+3

Simple and best practice solution for 3x^2+8x-10=2x^2+5x+3 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 3x^2+8x-10=2x^2+5x+3 equation:


Simplifying
3x2 + 8x + -10 = 2x2 + 5x + 3

Reorder the terms:
-10 + 8x + 3x2 = 2x2 + 5x + 3

Reorder the terms:
-10 + 8x + 3x2 = 3 + 5x + 2x2

Solving
-10 + 8x + 3x2 = 3 + 5x + 2x2

Solving for variable 'x'.

Reorder the terms:
-10 + -3 + 8x + -5x + 3x2 + -2x2 = 3 + 5x + 2x2 + -3 + -5x + -2x2

Combine like terms: -10 + -3 = -13
-13 + 8x + -5x + 3x2 + -2x2 = 3 + 5x + 2x2 + -3 + -5x + -2x2

Combine like terms: 8x + -5x = 3x
-13 + 3x + 3x2 + -2x2 = 3 + 5x + 2x2 + -3 + -5x + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
-13 + 3x + 1x2 = 3 + 5x + 2x2 + -3 + -5x + -2x2

Reorder the terms:
-13 + 3x + 1x2 = 3 + -3 + 5x + -5x + 2x2 + -2x2

Combine like terms: 3 + -3 = 0
-13 + 3x + 1x2 = 0 + 5x + -5x + 2x2 + -2x2
-13 + 3x + 1x2 = 5x + -5x + 2x2 + -2x2

Combine like terms: 5x + -5x = 0
-13 + 3x + 1x2 = 0 + 2x2 + -2x2
-13 + 3x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-13 + 3x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '13' to each side of the equation.
-13 + 3x + 13 + x2 = 0 + 13

Reorder the terms:
-13 + 13 + 3x + x2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 3x + x2 = 0 + 13
3x + x2 = 0 + 13

Combine like terms: 0 + 13 = 13
3x + x2 = 13

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 = 13 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 13 + 2.25

Combine like terms: 13 + 2.25 = 15.25
2.25 + 3x + x2 = 15.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 15.25

Calculate the square root of the right side: 3.905124838

Break this problem into two subproblems by setting 
(x + 1.5) equal to 3.905124838 and -3.905124838.

Subproblem 1

x + 1.5 = 3.905124838 Simplifying x + 1.5 = 3.905124838 Reorder the terms: 1.5 + x = 3.905124838 Solving 1.5 + x = 3.905124838 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 = 3.905124838 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 3.905124838 + -1.5 x = 3.905124838 + -1.5 Combine like terms: 3.905124838 + -1.5 = 2.405124838 x = 2.405124838 Simplifying x = 2.405124838

Subproblem 2

x + 1.5 = -3.905124838 Simplifying x + 1.5 = -3.905124838 Reorder the terms: 1.5 + x = -3.905124838 Solving 1.5 + x = -3.905124838 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 = -3.905124838 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -3.905124838 + -1.5 x = -3.905124838 + -1.5 Combine like terms: -3.905124838 + -1.5 = -5.405124838 x = -5.405124838 Simplifying x = -5.405124838

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.405124838, -5.405124838}

See similar equations:

| 20=30-n | | 6x-7=4+33 | | 3(5x+2y)=10 | | -2-3x=4+2 | | j+15=30 | | 6x+5=5+4x | | U=4(8n+33)+7(n+1) | | 8x^2-7x+4x^3-2-3x^2+9x-4= | | x^2+12p+32=0 | | 3x+8y=130 | | 14x-7y=5 | | 2x-55=8x+30 | | 0=-3x+10 | | 2x+1(4x)= | | 11x-3=21-2x | | 5n+4=(7n+1)-2n | | 35x+2=3x+82 | | 2(x-8)=3+3x | | 6m-11=2+9-1 | | 2x+12=4x+3+17x | | 24u^2-14u= | | 4g(3g-2)-2g(5+4g)= | | 8+5x+3=15x-7 | | 6x-7=43+33 | | 2(x-8)=3+3y | | 8(r-8)= | | 2(n-6)+4n=0 | | 8(-5x+6)= | | 6=-3x+10 | | 8=-4(1-c) | | x^2-26x+84.5=0 | | 8x-6=6x-32 |

Equations solver categories