find the product (m2
- n) (5m2n
2
- n
2
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1
Answer:
Answer
In the given algebraic expression −2m
3
−3n
2
+5m
2
n, we substitute m=3 and n=2 as shown below:
−2m
3
−3n
2
+5m
2
n
=−2(3)
3
−3(2)
2
+5(3)
2
(2)
=−(2×27)−(3×4)+(5×9×2)
=−54−12+90
=−66+90
=24
Hence, −2m
3
−3n
2
+5m
2
n=24.
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