Question

Subtract 5x² - 4y² + 6y
from
7x² + 8y ² - 3y​

Answer 1

Answer:

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Step-by-step explanation:

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

Answer 2

Answer

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