3(10)=6+x^2

Solution for 3(10)=6+x^2 equation:

Simplifying
3(10) = 6 + x2

Multiply 3 * 10
30 = 6 + x2

Solving
30 = 6 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
30 + -1x2 = 6 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
30 + -1x2 = 6 + 0
30 + -1x2 = 6

Add '-30' to each side of the equation.
30 + -30 + -1x2 = 6 + -30

Combine like terms: 30 + -30 = 0
0 + -1x2 = 6 + -30
-1x2 = 6 + -30

Combine like terms: 6 + -30 = -24
-1x2 = -24

Divide each side by '-1'.
x2 = 24

Simplifying
x2 = 24

Take the square root of each side:
x = {-4.898979486, 4.898979486}