use identity and find (b-7)²
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Answer:
plz mark me the brainliest answer
Step-by-step explanation:
(b-7)²
by using the identity (a-b)² = a²- 2ab + (b)² we get,
(b-7)²
=(b)² -2×7×b +(7)²
=(b)² -2×7×b +(7)²=b²-14b + 49
may be this is the correct answer
Answer:
b^2 + 14b - 49
Please mark me as the Brainliest
Step-by-step explanation:
(b-7)^2
identity
(a-b)^2
=a^2+ 2ab - b^2
b^2 + 14b - 49
Please mark me as Brainliest