分解因式(x+2y²)-9(x-y)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 23:20:28
x){b⧳<ӯQmTlhnakQ[ $RΆSڂ+t+5l]
m *kRaZkTi_\gu
CP]
-$[۴z ¢h
分解因式(x+2y²)-9(x-y)²
分解因式(x+2y²)-9(x-y)²
分解因式(x+2y²)-9(x-y)²
(x+2y²)-9(x-y)²
=(x+2y+3x-3y)(x+2y-3x+3y)
=(4x-y)(5y-2x)
(x+2y²)-9(x-y)²
=(x+2y)²-(3x-3y)²
=(x+2y+3x-3y)(x+2y-3x+3y)
=(4x-y)(-2x+5y)