Question

What polynomial identity should be used to prove that 25^2 = (20 + 5)2?

Answer 1

\(25^2=(20+5)^2\)

why wouldn't 20+5=25 qualify as a proof?

Answer 2

25²=25² ....

Answer 3

Difference of Cubes Difference of Squares Square of Binomial Sum of Cubes

Answer 4

Those r the answer choices

Answer 5

There is only 1 way to expand (20+5)², and that is, knowing that:
\((a+b)^2=a^2+2ab+b^2\)

Now, this is something that you would name using which of the options?

Answer 6

square bionomial

Answer 7

@SolomonZelman where'd ya go?

Answer 8

yes

Answer 9

Square of binomial is correct