3x^2+7=5-5x+x^2

Simple and best practice solution for 3x^2+7=5-5x+x^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 3x^2+7=5-5x+x^2 equation: 


Simplifying
3x2 + 7 = 5 + -5x + x2

Reorder the terms:
7 + 3x2 = 5 + -5x + x2

Solving
7 + 3x2 = 5 + -5x + x2

Solving for variable 'x'.

Reorder the terms:
7 + -5 + 5x + 3x2 + -1x2 = 5 + -5x + x2 + -5 + 5x + -1x2

Combine like terms: 7 + -5 = 2
2 + 5x + 3x2 + -1x2 = 5 + -5x + x2 + -5 + 5x + -1x2

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

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

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

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

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

Factor a trinomial.
(2 + x)(1 + 2x) = 0


Subproblem 1
Set the factor '(2 + x)' equal to zero and attempt to solve:

Simplifying
2 + x = 0

Solving
2 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + x = 0 + -2
x = 0 + -2

Combine like terms: 0 + -2 = -2
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(1 + 2x)' equal to zero and attempt to solve:

Simplifying
1 + 2x = 0

Solving
1 + 2x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + 2x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 0 + -1
2x = 0 + -1

Combine like terms: 0 + -1 = -1
2x = -1

Divide each side by '2'.
x = -0.5

Simplifying
x = -0.5
Solution
x = {-2, -0.5}

See similar equations:

| 43=(5-5x)+(-17-6x) | | 4.8=3y | | x^2-8+28=3x | | 0.2(x-25.5)+0.3=0.2(x-16) | | 4n+2(10-n)=35 | | 5+3[10(7*5-29)-40]= | | -x+7y=7 | | .02+(5000)+.03x=.025(5000+x) | | .02+(5000)+.03x=.025(5000)+x | | 5a+6b=14 | | 14=-t^2+8t | | 3u+12=-5(u-4) | | 3b-9=-7 | | 2=-t^2+8t | | 4(x)4(x)4(x)4=20 | | 20=-(3a-2) | | 1=-t^2+8*1 | | 4387+131= | | 0=19.4316x^2-141.654x+124.18 | | 9w^4-7w^3+8w^2=0 | | ln(x+6)-ln(9)=2 | | -4(-6u+8)-3u=5(u-4)-8 | | 1/6-5=5 | | -3/2y=(-12) | | -3/2y=12 | | -2k+4k-6+2k=0 | | 1846=80x+(1.5x)20 | | 295=190-w | | 9y+x=5 | | -x+149=247 | | P=-15i(i-8) | | 4=-y+188 |

Equations solver categories