3x^2+8=7x^2-5

Simple and best practice solution for 3x^2+8=7x^2-5 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 3x^2+8=7x^2-5 equation: 


Simplifying
3x2 + 8 = 7x2 + -5

Reorder the terms:
8 + 3x2 = 7x2 + -5

Reorder the terms:
8 + 3x2 = -5 + 7x2

Solving
8 + 3x2 = -5 + 7x2

Solving for variable 'x'.

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

Add '-7x2' to each side of the equation.
8 + 3x2 + -7x2 = -5 + 7x2 + -7x2

Combine like terms: 3x2 + -7x2 = -4x2
8 + -4x2 = -5 + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
8 + -4x2 = -5 + 0
8 + -4x2 = -5

Add '-8' to each side of the equation.
8 + -8 + -4x2 = -5 + -8

Combine like terms: 8 + -8 = 0
0 + -4x2 = -5 + -8
-4x2 = -5 + -8

Combine like terms: -5 + -8 = -13
-4x2 = -13

Divide each side by '-4'.
x2 = 3.25

Simplifying
x2 = 3.25

Take the square root of each side:
x = {-1.802775638, 1.802775638}

See similar equations:

| x=0.05x+180-19 | | 5p^2=-28p-15 | | x=0.05x | | 3(x)+5(x)-1=2(x) | | .04x-78.98=13000000 | | p^2-18p+65=0 | | 0.2x^2=1.2x+0.2 | | 7a-3a+2=2(2a-1) | | -4(y+5)= | | .08x=1730 | | 4(3-a)-(6a+9)=-12a | | -8x^3-18x^2-4x=0 | | 2e^5x=12 | | 18b^4+69b^3-105b^2=0 | | 0=3x^2-17x+12 | | y=3x^2-17x+12 | | 2p^2=-15p-25 | | 8=-0.8t^2+6t | | 3x^2+11x-12=0 | | 2(7)(-1)-(7)= | | 12(2x-5)=4(-x)-3(5) | | 1.5x-.5(x+8)=1 | | h=-8.8*6+6*6 | | 2x^2-18x-72=0 | | 4z-2=z+10 | | 5y-6+y+34=8y+40-6y | | h=-0.8t^2+6t | | x^2-3x=108 | | 9w^2+30w-25=0 | | 9w^2+30w=25 | | 4x^2+16x-11=0 | | x^6-x^4-81x^2+81=0 |

Equations solver categories