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7. Factoring - 2! 2부

7. Factoring / Factoring Special Products / 문제 1

문제 1

Expand the expression $open paren x plus 5 close paren squared$ and write the result in standard polynomial form.

A

$x^{2} + 10 x + 25$

B

$x squared plus 25$

C

$x^{2} + 5 x + 5$

D

$x^{2} + 10 x - 25$