Mathematics
Junior High

写真の問題の2つとも…解き方教えてください‼️🙇‍♂️🙇‍♂️お願い致します🙏🏻

SVE) のとき、次の式の値を求めなさい。 x=3, y= 12/2の (1) x²+8xy+16y² (2) (x−y)(x+3y)— (x+y)(x−y)
因数分解

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