Math, asked by Vikash5797, 13 hours ago

5x2 + 6xy + 7yz +8 and 8x2 _ 9xy + 7yz _9

Answers

Answered by sameerverma7205

0

Answer:

13x2-3xy+14yz-1

Step-by-step explanation:

5x2+6xy+7yz+8+8x2-9xy+7yz-9

=5x2+8x2+6xy-9xy+7yz+7yz+8-9

=13x2-3xy+14yz-1

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