Question

(b-7) square

send me answer​

Answer 1

Answer:

(a-b)2

a2 + b2 - 2ab

so in your question

b2 + 49 - 2(b*49)

hope it helps :D

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Answer 2

Answer:

(b)^2+(-7) ^2+2×b×7

= b^2+49+14b.Answer