7t(t-5)-2t(8t^2-4t+3)=

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Solution for 7t(t-5)-2t(8t^2-4t+3)= equation: 


Simplifying
7t(t + -5) + -2t(8t2 + -4t + 3) = 0

Reorder the terms:
7t(-5 + t) + -2t(8t2 + -4t + 3) = 0
(-5 * 7t + t * 7t) + -2t(8t2 + -4t + 3) = 0
(-35t + 7t2) + -2t(8t2 + -4t + 3) = 0

Reorder the terms:
-35t + 7t2 + -2t(3 + -4t + 8t2) = 0
-35t + 7t2 + (3 * -2t + -4t * -2t + 8t2 * -2t) = 0
-35t + 7t2 + (-6t + 8t2 + -16t3) = 0

Reorder the terms:
-35t + -6t + 7t2 + 8t2 + -16t3 = 0

Combine like terms: -35t + -6t = -41t
-41t + 7t2 + 8t2 + -16t3 = 0

Combine like terms: 7t2 + 8t2 = 15t2
-41t + 15t2 + -16t3 = 0

Solving
-41t + 15t2 + -16t3 = 0

Solving for variable 't'.

Factor out the Greatest Common Factor (GCF), 't'.
t(-41 + 15t + -16t2) = 0


Subproblem 1
Set the factor 't' equal to zero and attempt to solve:

Simplifying
t = 0

Solving
t = 0

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

Simplifying
t = 0

Subproblem 2
Set the factor '(-41 + 15t + -16t2)' equal to zero and attempt to solve:

Simplifying
-41 + 15t + -16t2 = 0

Solving
-41 + 15t + -16t2 = 0

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
2.5625 + -0.9375t + t2 = 0

Move the constant term to the right:

Add '-2.5625' to each side of the equation.
2.5625 + -0.9375t + -2.5625 + t2 = 0 + -2.5625

Reorder the terms:
2.5625 + -2.5625 + -0.9375t + t2 = 0 + -2.5625

Combine like terms: 2.5625 + -2.5625 = 0.0000
0.0000 + -0.9375t + t2 = 0 + -2.5625
-0.9375t + t2 = 0 + -2.5625

Combine like terms: 0 + -2.5625 = -2.5625
-0.9375t + t2 = -2.5625

The t term is -0.9375t.  Take half its coefficient (-0.46875).
Square it (0.2197265625) and add it to both sides.

Add '0.2197265625' to each side of the equation.
-0.9375t + 0.2197265625 + t2 = -2.5625 + 0.2197265625

Reorder the terms:
0.2197265625 + -0.9375t + t2 = -2.5625 + 0.2197265625

Combine like terms: -2.5625 + 0.2197265625 = -2.3427734375
0.2197265625 + -0.9375t + t2 = -2.3427734375

Factor a perfect square on the left side:
(t + -0.46875)(t + -0.46875) = -2.3427734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
t = {0}

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