7. Simplify the following by using in
(d) (97)^2 solutions
Answers
Answered by
0
Answer:
97²
=(90+7)²
identity: (a+b)²= a²+2ab+b²
= 90² + 2(90)(7) + 7²
=9409
hope it helps
please as the brainliest
Answered by
1
Answer:
=(100-3) ^2
=(100) ^2-2×100×3+(3) ^2
=10000-600+9
=10009-600
=9409
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