Math, asked by rs8574186, 10 months ago

subtract a) 6mn+5n2-2m from 3n2+9m-15nm
b) -15x2+8y2from 18 y2- 8x2

Answers

Answered by Pragatiprakash

7

Answer:

3n2+9m-15nm - 6mn+5n2-2m

= 3n2+5n2+9m-2m-15nm-6mn

=8n4+7m-21mn is the answer........

Step-by-step explanation:

Hope it help

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