Waht is the indicated product of (2h+7) (2h-7) By FOIL method: (2h + 7)(2h - 7) (2h)(2h) 4h^2 (2h)(-7) -14h (7)(2h) 14h (7)(-7) -49 4h^2 - 14h + 14h - 49 4h^2 - 49 or by using the algebra multiplication property etc. such that (a + b)(a - b) = a^2 - b^2 so (2h + 7)(2h - 7) a = 2h b = 7 4h^2 - 49
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