Answer:
b²-2b×7+7²
Step-by-step explanation:
ᴜsᴇ ɪᴅᴇɴᴛɪᴛʏ
(B-7)²
=B²-2B×7+7²
B²-14b+14
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs✦
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Answers & Comments
Answer:
b²-2b×7+7²
Step-by-step explanation:
ᴜsᴇ ɪᴅᴇɴᴛɪᴛʏ
(B-7)²
=B²-2B×7+7²
B²-14b+14
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs✦