jahmarteharrell
12.07.2019 •
Mathematics
How do i solve (x+2)^2 with given identity? my teacher wants me to show how to solve it using multiplication and given i know how to solve it with foil and i get the answer and show it like this foil: (x+2)^2 (x+2)(x+2) x^2+2x+2x+4 x^2+4x+4 but given identity i don't know pls i've been trying to figure it out for hours
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Ответ:
If so, all you have to do is recognize that in your example, a = 2
Substitute into the identity
Recognizing an identity can be helpful in that it can save time when expanding.
Ответ:
wyd by that
Step-by-step explanation: