Mathematics
Junior High

(4)を教えてほしいです🙏🏻

11 次の式を因数分解しなさい。 (1) 4x²-36y² (STV+) (3) (x+2y)²+2(x+2y)+1 (2) 4ay²-16ay+16a (4) 2y(x-3)-3+x
因数分解

Answers

2y(x-3)-3+x
=2y(x-3)+(x-3)
(x-3)でくくって
=(x-3)(2y+1)

ありがとうございます!

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