Question

Find the following square buy using the identities
1)(b-7)²

Answer 1

${(b - 7)}^{2}$
${b}^{2} - 2 \times b \times 7 + {7}^{2}$
${b}^{2} - 14b + 49$



hope this helps!!

Answer 2

Here is your answer:

(b-7)²
Using the identity: (a-b)² = a² + b² - 2ab
b² + 49 - 14b

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