Find the product:-4x2y(3x2 – 5y)

1.	Find the product:-4x2y(3x2 – 5y)
Answer» -4x²y(3x² – 5y) Let p, q and r be three monomials. Then, by distributive law of multiplication over subtraction, we have: P × (q – r) = (p × q) – (p × r) Now, = (-4x²y × 3x²) – (-4x²y × -5y) = (-12x⁴y + 20x²y²) … [∵ a^m × aⁿ = a^m+n]

Answer»

-4x²y(3x² – 5y)

Let p, q and r be three monomials.

Then, by distributive law of multiplication over subtraction, we have:

P × (q – r) = (p × q) – (p × r)

Now,

= (-4x²y × 3x²) – (-4x²y × -5y)

= (-12x⁴y + 20x²y²) … [∵ a^m × aⁿ = a^m+n]

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