if m=3 and n=2 find the value of 9m²-10n²
Answers
Answered by
1
Step-by-step explanation:
9×9 -10×4
81 -40
41 answer.....
Answered by
3
Answer:
=41
Step-by-step explanation:
9(3)²-10(2)²
9×9-10×4
81-40
=41
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