3 years ago

Plsss.. hellpppp///

Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

4 0

Answer:

b. Always

Step-by-step explanation:

(a -b)(a -b) is the product of the binomial (a -b) with itself, so it is a perfect square. The expanded version of this product is the "perfect square trinomial" ...

a² -2ab +b²

This trinomial is <u>always</u> the product of (a -b)².

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