Cho A= , B= . Tìm X thỏa 2A+ =3B

X=3B−2AX = 3B - 2AX=3B−2A

X=2A−3BX = 2A - 3BX=2A−3B

X=3A−2BX = 3A - 2BX=3A−2B

X=2B−3AX = 2B - 3AX=2B−3A