3t^2+4+5t^2-12=

Solution for 3t^2+4+5t^2-12= equation:

Simplifying
3t2 + 4 + 5t2 + -12 = 0

Reorder the terms:
4 + -12 + 3t2 + 5t2 = 0

Combine like terms: 4 + -12 = -8
-8 + 3t2 + 5t2 = 0

Combine like terms: 3t2 + 5t2 = 8t2
-8 + 8t2 = 0

Solving
-8 + 8t2 = 0

Solving for variable 't'.

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

Add '8' to each side of the equation.
-8 + 8 + 8t2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 8t2 = 0 + 8
8t2 = 0 + 8

Combine like terms: 0 + 8 = 8
8t2 = 8

Divide each side by '8'.
t2 = 1

Simplifying
t2 = 1

Take the square root of each side:
t = {-1, 1}