Math, asked by ankit26895, 1 year ago

subtract 5x2-4y2+6y-3 from 7x2-4xy+8y2+5x-3y​

Answers

Answered by pratyushjainp5dfu3
37

7x2-4xy+8y2+5x-3y​ - 5x2+4y2-6y+3

=2x2+12y2-9y+3-4xy+5x

Answered by mysticd
129

Answer:

2x²+12y²-4xy+5x-9y+3

Explanation:

Let A = 5x2-4y2+6y-3

B = 7x2-4xy+8y2+5x-3y

According to the problem given,

B-A = 7x²-4xy+8y²+5x-3y -

(5x²-4y²+6y-3 )

= 7x²-4xy+8y²+5x-3y -5x²+4y²-6y+3

= (7-5)x²+(8+4)y²-4xy+5x-(3+6)y+3

= 2x²+12y²-4xy+5x-9y+3

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