The rule for solving the given expression is multiplication and answer is [tex]-4y^{2}[/tex].
Multiplication is an operation that represents the basic idea of repeated addition of the same number. The numbers that are multiplied are called the factors and the result that is obtained after the multiplication of two or more numbers is known as the product of those numbers.
Given
4y times -y
It is a multiplication rule to use for this problem
= [tex]4y(-y)[/tex]
= [tex]-4y^{2}[/tex]
The rule for solving the given expression is multiplication and answer is [tex]-4y^{2}[/tex].
Find out more information about multiplication here
brainly.com/question/14615643
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