SOLUTION: Find t if the expansion of the product of x^3 - 4x^2 + 2x - 5 and x^2 + tx - 7 has no x^2 term.

SOLUTION: Find t if the expansion of the product of x^3 - 4x^2 + 2x - 5 and x^2 + tx - 7 has no x^2 term.

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Question 1030143: Find t if the expansion of the product of x^3 - 4x^2 + 2x - 5 and x^2 + tx - 7 has no x^2 term.

Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
after expansion. (Use the vertical method for faster result :D!)
Since the outcome is supposed not to have , ==> 2t + 23 = 0, or .
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