(7t+5)(7t-5)=

Solution for (7t+5)(7t-5)= equation:

Simplifying
(7t + 5)(7t + -5) = 0

Reorder the terms:
(5 + 7t)(7t + -5) = 0

Reorder the terms:
(5 + 7t)(-5 + 7t) = 0

Multiply (5 + 7t) * (-5 + 7t)
(5(-5 + 7t) + 7t * (-5 + 7t)) = 0
((-5 * 5 + 7t * 5) + 7t * (-5 + 7t)) = 0
((-25 + 35t) + 7t * (-5 + 7t)) = 0
(-25 + 35t + (-5 * 7t + 7t * 7t)) = 0
(-25 + 35t + (-35t + 49t2)) = 0

Combine like terms: 35t + -35t = 0
(-25 + 0 + 49t2) = 0
(-25 + 49t2) = 0

Solving
-25 + 49t2 = 0

Solving for variable 't'.

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

Add '25' to each side of the equation.
-25 + 25 + 49t2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 49t2 = 0 + 25
49t2 = 0 + 25

Combine like terms: 0 + 25 = 25
49t2 = 25

Divide each side by '49'.
t2 = 0.5102040816

Simplifying
t2 = 0.5102040816

Take the square root of each side:
t = {-0.714285714, 0.714285714}