✨ Best Answer ✨ eratos2357 over 5 yearsago a-1=Aとおくと、 (与式)=Ax-A =A(x-1) =(a-1)(x-1)…(答) guest over 5 yearsago ありがとうございます🙇♂️ Post A Comment
ありがとうございます🙇♂️