=7t(t)-2t(4t)

Solution for =7t(t)-2t(4t) equation:

Simplifying
0 = 7t(t) + -2t(4t)

Multiply t * t
0 = 7t2 + -2t(4t)

Remove parenthesis around (4t)
0 = 7t2 + -2t * 4t

Reorder the terms for easier multiplication:
0 = 7t2 + -2 * 4t * t

Multiply -2 * 4
0 = 7t2 + -8t * t

Multiply t * t
0 = 7t2 + -8t2

Combine like terms: 7t2 + -8t2 = -1t2
0 = -1t2

Solving
0 = -1t2

Solving for variable 't'.

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

Add 't2' to each side of the equation.
0 + t2 = -1t2 + t2
Remove the zero:
t2 = -1t2 + t2

Combine like terms: -1t2 + t2 = 0
t2 = 0

Simplifying
t2 = 0

Take the square root of each side:
t = {0}