Question

(b-7)^2 evaluate using suitableldentities​

Answer 1

Answer:

Here we use the Identity (a - b)^2 = a^2 - 2ab + b^2

(b - 7)^2

lets expand this

b^2 - (2 x b x 7) + 7^2

b^2 - 14b + 49

hence the equation is b^2 - 14b + 49

Step-by-step explanation:

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