<PRE><B>Question 889384</B>
t^2+2tj-35j^2 
factor the trinomial
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Using the AC Method::
A = 1 ; B = 2 ; C = -35
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B = +7 -5
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Replace B by 7tj - 5tj = 2tj
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t^2 +7tj -5tj - 35j^2
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Factor the 1st 2 and the last 2 terms separately::
= t(t+7j)-5j(t+7j)
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Factor again to get the final answer::
= (t+7j)(t-5j)
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Cheers,
Stan H.
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