(3+5x)(3-5x)=

Solution for (3+5x)(3-5x)= equation:

Simplifying
(3 + 5x)(3 + -5x) = 0

Multiply (3 + 5x) * (3 + -5x)
(3(3 + -5x) + 5x * (3 + -5x)) = 0
((3 * 3 + -5x * 3) + 5x * (3 + -5x)) = 0
((9 + -15x) + 5x * (3 + -5x)) = 0
(9 + -15x + (3 * 5x + -5x * 5x)) = 0
(9 + -15x + (15x + -25x2)) = 0

Combine like terms: -15x + 15x = 0
(9 + 0 + -25x2) = 0
(9 + -25x2) = 0

Solving
9 + -25x2 = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -25x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -25x2 = 0 + -9
-25x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-25x2 = -9

Divide each side by '-25'.
x2 = 0.36

Simplifying
x2 = 0.36

Take the square root of each side:
x = {-0.6, 0.6}