(5x^2)-(2x^2+5)=

Solution for (5x^2)-(2x^2+5)= equation:

Simplifying
(5x2) + -1(2x2 + 5) = 0

Reorder the terms:
(5x2) + -1(5 + 2x2) = 0
(5x2) + (5 * -1 + 2x2 * -1) = 0
(5x2) + (-5 + -2x2) = 0

Reorder the terms:
-5 + (5x2) + -2x2 = 0

Combine like terms: (5x2) + -2x2 = 3x2
-5 + 3x2 = 0

Solving
-5 + 3x2 = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 3x2 = 0 + 5
3x2 = 0 + 5

Combine like terms: 0 + 5 = 5
3x2 = 5

Divide each side by '3'.
x2 = 1.666666667

Simplifying
x2 = 1.666666667

Take the square root of each side:
x = {-1.290994449, 1.290994449}