20 POINTS! PLZ ANSWER ASAP!
2 answers:
Answer:
x^2 - 14x + 49.
Step-by-step explanation:
(x − 7)^2
= (x - 7)(x - 7)
= x(x - 7) - 7(x - 7)
= x^2 - 7x - 7x + 49
= x^2 - 14x + 49.
x−7)(2)
=(x+−7)(2)
=(x)(2)+(−7)(2)
=2x−14 + 49
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