(9t^2-t-4)(7t^2+9t-1)=

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Solution for (9t^2-t-4)(7t^2+9t-1)= equation:


Simplifying
(9t2 + -1t + -4)(7t2 + 9t + -1) = 0

Reorder the terms:
(-4 + -1t + 9t2)(7t2 + 9t + -1) = 0

Reorder the terms:
(-4 + -1t + 9t2)(-1 + 9t + 7t2) = 0

Multiply (-4 + -1t + 9t2) * (-1 + 9t + 7t2)
(-4(-1 + 9t + 7t2) + -1t * (-1 + 9t + 7t2) + 9t2 * (-1 + 9t + 7t2)) = 0
((-1 * -4 + 9t * -4 + 7t2 * -4) + -1t * (-1 + 9t + 7t2) + 9t2 * (-1 + 9t + 7t2)) = 0
((4 + -36t + -28t2) + -1t * (-1 + 9t + 7t2) + 9t2 * (-1 + 9t + 7t2)) = 0
(4 + -36t + -28t2 + (-1 * -1t + 9t * -1t + 7t2 * -1t) + 9t2 * (-1 + 9t + 7t2)) = 0
(4 + -36t + -28t2 + (1t + -9t2 + -7t3) + 9t2 * (-1 + 9t + 7t2)) = 0
(4 + -36t + -28t2 + 1t + -9t2 + -7t3 + (-1 * 9t2 + 9t * 9t2 + 7t2 * 9t2)) = 0
(4 + -36t + -28t2 + 1t + -9t2 + -7t3 + (-9t2 + 81t3 + 63t4)) = 0

Reorder the terms:
(4 + -36t + 1t + -28t2 + -9t2 + -9t2 + -7t3 + 81t3 + 63t4) = 0

Combine like terms: -36t + 1t = -35t
(4 + -35t + -28t2 + -9t2 + -9t2 + -7t3 + 81t3 + 63t4) = 0

Combine like terms: -28t2 + -9t2 = -37t2
(4 + -35t + -37t2 + -9t2 + -7t3 + 81t3 + 63t4) = 0

Combine like terms: -37t2 + -9t2 = -46t2
(4 + -35t + -46t2 + -7t3 + 81t3 + 63t4) = 0

Combine like terms: -7t3 + 81t3 = 74t3
(4 + -35t + -46t2 + 74t3 + 63t4) = 0

Solving
4 + -35t + -46t2 + 74t3 + 63t4 = 0

Solving for variable 't'.

The solution to this equation could not be determined.

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