Math, asked by american62, 7 months ago

1. Subtract:
a. 2x2 - 5xy + 3y2 + 5 from 4x2 + 3xy - 5y2 + 9.

Answers

Answered by jyotikukreti

3

Answer:

= 4×2 + 3xy - 5y2 + 9 - ( 2×2 - 5xy +3y2 + 5 )

= 4×2 + 3xy - 5y2 + 9 - 2 × -2 + 5xy - 3y2 - 5

= 8 + 3xy - 5y2 + 9 + 4 + 5xy - 3y2 - 5

= 3xy + 5xy -5y2 -3y2 + 8 + 9 + 4 - 5

= 8xy - 8y2 + 15

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