7x^2+8=16

Simple and best practice solution for 7x^2+8=16 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 7x^2+8=16 equation:


Simplifying
7x2 + 8 = 16

Reorder the terms:
8 + 7x2 = 16

Solving
8 + 7x2 = 16

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 7x2 = 16 + -8

Combine like terms: 8 + -8 = 0
0 + 7x2 = 16 + -8
7x2 = 16 + -8

Combine like terms: 16 + -8 = 8
7x2 = 8

Divide each side by '7'.
x2 = 1.142857143

Simplifying
x2 = 1.142857143

Take the square root of each side:
x = {-1.069044968, 1.069044968}

See similar equations:

| x^2-2x-40=0 | | 5(x+7)=2(2x+7) | | 5x+4=x^2-6 | | 7x-3(x+1)=-19 | | 4(10-2(-2x-5))=6x+80 | | 4x+3(x-2)=18-x | | 7n^2-15=-4n | | -2x^2+3x=0 | | 4x-5y+6=0 | | -5.4=1.5+h | | -10(58)+70x=5(x-12) | | 20+6y=16 | | 2.4x-3=4.8+1.4x | | 3n-4=8 | | 2n+1=7 | | (9r)3/2-4=725 | | 9n=25+2 | | m^2+m=56 | | 5(d+2)+3d=58 | | -5(x+2.4)-2(x-3)=-3 | | 5x=176-3x | | 3-4=y | | x-4/3=5+x | | 2+x=-1 | | 3x-2=2+4x | | 4x+12=2x-6 | | 4-2y=-4+2y | | -2(4p+1)-(3p-1)=5(3-p)-9 | | 7x-1=5x+7 | | 2(x-4)+5-8-8x=4x-9+3 | | x+8-8=1-9 | | y-3+5y=2y-5-3y |

Equations solver categories