Find the product. (3p – 7)(3p + 7)
2 answers:
(3p - 7)(3p + 7) =
(3p × 3p) + (3p × 7) + (-7 × 3p) + (-7 × 7) =
9p^2 + 21p - 21p - 49
= 9p^2 - 49
Therefore, answer would be D.
Answer:
Step-by-step explanation:
to multiply the two factors we can use the concept of FOIL
so when we multiply the (3p – 7)(3p + 7)
we get
(cancel the 21p)
correct option is D.
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