Use the distributive property to rewrite each expression in it's equivalent form
-7y(4-y)
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hello students from all over the world ! , someone be kind enough to me on this math problem ( if u are in 7th grade or higher u can handle it ! ) : )
grade of the question : 7th grade
subject : math, me : )

The arrows indicate that you multiply each one, that way you don't forget in the long run, especially once you get to multistep algebraic equation.

So first you multiply the -7y by the 4 and you get -28y, if you remember a negative times a positive is a negative (I like to think of it as bad things that happen to good people is a  bad thing ;) ) Now you take the -7y, because you have to multiply it by both numbers in the parenthesis, and multiply it to the -y, and since when you multiply two y's together it becomes squared it is 7y^2 (squared) and since both are negative, they cancel out and become a positive (bad things that happen to bad people is a good thing in a sense) So therefore your answer for the equivalence is 7y^2 + -28y

Hope that helped, my math teacher has a lot of tricks for remembering this stuff :)

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