7t^2-15+2=0

Solution for 7t^2-15+2=0 equation:

Simplifying
7t2 + -15 + 2 = 0

Reorder the terms:
-15 + 2 + 7t2 = 0

Combine like terms: -15 + 2 = -13
-13 + 7t2 = 0

Solving
-13 + 7t2 = 0

Solving for variable 't'.

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

Add '13' to each side of the equation.
-13 + 13 + 7t2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 7t2 = 0 + 13
7t2 = 0 + 13

Combine like terms: 0 + 13 = 13
7t2 = 13

Divide each side by '7'.
t2 = 1.857142857

Simplifying
t2 = 1.857142857

Take the square root of each side:
t = {-1.362770288, 1.362770288}