Answer:
x = 9 or x = -9
Step-by-step explanation:
x² - 4 = 77
then
x² - 4 + 4 = 77 + 4
x² = 81
x² - 81 = 0
x² - 9² = 0
(x - 9)(x + 9) = 0
x - 9 = 0 or x + 9 = 0
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Lonnie is not correct
(X+9)(x+4)
Find 2 numbers that add to get the middle number and also multiply to get the last number
14.2
