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

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


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

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

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

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

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

Combine like terms: -63t + 1t = -62t
(7 + -62t + -28t2 + -9t2 + -9t2 + -4t3 + 81t3 + 36t4) = 0

Combine like terms: -28t2 + -9t2 = -37t2
(7 + -62t + -37t2 + -9t2 + -4t3 + 81t3 + 36t4) = 0

Combine like terms: -37t2 + -9t2 = -46t2
(7 + -62t + -46t2 + -4t3 + 81t3 + 36t4) = 0

Combine like terms: -4t3 + 81t3 = 77t3
(7 + -62t + -46t2 + 77t3 + 36t4) = 0

Solving
7 + -62t + -46t2 + 77t3 + 36t4 = 0

Solving for variable 't'.

The solution to this equation could not be determined.

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