[질문] 체크체크 진도교재 69쪽좀 다알려주세요ㅠㅠ

[유사답변] 69쪽 (1)(x-3)제곱(2)(2x+1)(3x+1)(3)(2분의1x+3분의1y)(2분의1x-3분의1y)(4)(4x-5)제곱(5)(a+2)(a-12)(6)2(x+5)(x-5)(7)(a-2분의1)제곱(8)2(x+3)(x-1)