0
for the equation: -2h² - 28h - 98 = 0 can be factored as follows: -2(h² + 14h + 49) = 0;
to solve, the expression in parenthesis must equal zero: (h² + 14h + 49) = 0. We are looking for values, which when added equal 14, and when multiplied equal 49.
(h + a)(h + b) = 0, where we want a+b = 14, and ab = 49. The answer is a = 7 and b = 7, so we have (h + 7)(h + 7) = 0, and h = -7,-7 [double root].
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