Question

What is the multiplication of 4y and (5y³+7y⁴)​

Answer 1

Answer:

The answer is $20y^4+28y^5$

Step-by-step explanation:

Multiplication of $4y$ and $(5y^3+7y^4)$

$=4y\times (5y^3+7y^4)\\=4y\times 5y^3+4y\times 7y^4\\=20y^{1+3}+28y^{1+4}\\=20y^4+28y^5$

Answer 2

Answer:

4y+5y+7y+ =16y

Step-by-step explanation: