Question

what is the coefficient of y² in the product (7x²-5y) (x²+3y)​

Answer 1

Step-by-step explanation:

Given,

x

3

−7x

2

y+5xy

2

−2

∴ Coefficient of x

3

=1

Coefficient of x

2

y=−7

Coefficient of xy

2

=5

Constant =−2.

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Answer 2

Answer:

-15

Step-by-step explanation:

7x⁴-5x²y+21x²y-15y²

There is only one Y² term

Coefficient of Y² is - 15

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