Question

Darlene wrote this proof of the identity (x+y)^2-(x-y)^2=4xy. Which of the following is a justification for step 5 for her proof?
a. definition of a squaring a binomial
b. distributive property
c combining like terms
d. reflective property

Answer 1

For 5 step u add 3 steps and dats ur answer

Answer 2

Answer:

C. Combing like terms

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