(2x-1) (3x+7)= (1-3x) (3+2y) =​

Jawaban:

(2x-1)(3x+7)

=2x(3x)+2x(7)-1(3x)-1(7)

=6x²+14x-3x-7

= 6x²+11x-7

(1-3x)(3+2y)

= 1(3)+1(2y)-3x(3)-3x(2y)

=3+2y-9x-6xy

=-9x-6xy+2y+3

maaf.kalo salah