Answer:
Step-by-step explanation:
I would use a calculator or ask the teacher or administrator for extra help Join Khan Academy . it's best to help if you're stuck on something . I'll tell you the Answer what grade ?
Answer:
c .Perfect square trinomials
d.Difference of perfect squares
Step-by-step explanation:
We have to find the special product formulas.
a.Perfect square monomials
It is of the form 
It is not a special product formulas.
b.Difference of terms
It is of the form

It is not a special product formulas.
c.Perfect square trinomials
It is of the form

It is a special product formulas.
d.Difference of perfect squares
It is of the form


Therefore, it is a special product formulas.
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Answer:
D
Step-by-step explanation:
Any equation that does not have y2 as the first term in the second set of parentheses will be incorrect.
The correct usage is shown in equation D.