Question

$8x ^{2} + 72x ^{2}y ^{2} + 162y ^{2}$
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Answer 1

Explanation:

y = 8(x^2 + 9x + 14)
Factor the trinomial in parentheses.
Find 2 numbers knowing sum (9) and product (14). They are 2 and 7.
Therefor:
y = 8(x + 2)(x + 7)