Expand the following using identities: (3 + 4)
^2
Answers
Answered by
1
Answer:
49
Step-by-step explanation:
This is of the form (a+b)^2
(a+b)^2=a^2+b^2+2ab
= 9+16+2(3)(4)
=25+24
=49
Answered by
1
=3 square+4 square+ 2×3×4
=9+16+24
=49
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