6t2+17t+7 = (3t+7)(2t+1) when factored
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6t + 7 when t = -3 is 6*(-3) + 7 = -18 + 7 = -11
(t + 7)(t - 1)
7^2 + 3^2 = 58
They are equal. 7 squared is 7 x 7, which equals 49. 6 x 7 = 42, plus another 7 = 49.
3 + 43 = 46 7 squared = 49 46 + 49 = 95