Question

3./ Subtract x2 – 2 xy + 5y2 - 4 from 4 xy - 5x2 - y2 +6.​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(4 xy - 5x2 - y2 +6)-(x2 – 2 xy + 5y2 - 4)

=4 xy - 5x2 - y2 +6-x2 + 2 xy - 5y2 + 4

=6xy-6x^2-6y^2+10