Sagot :
A= (-x+2)(2x-1)
-2x²+x+4x-2
-2x²+5x-2
C = (3y-5)(-y+2)
=-3y²+6y+5y-10
= -3y²+11y-10
D= (4+t)(3-2t)
=12-8t+3t-2t²
=-2t²-5t+12
-2x²+x+4x-2
-2x²+5x-2
C = (3y-5)(-y+2)
=-3y²+6y+5y-10
= -3y²+11y-10
D= (4+t)(3-2t)
=12-8t+3t-2t²
=-2t²-5t+12
A= (-x+2)(2x-1)= -2x²+x+4x-2= -2x²+5x-2
C = (3y-5)(-y+2)= -3y²+6y+5y-10= -3y²+11y-10
D= (4+t)(3-2t)= 12-8t+3t-2t²= -2t²-5t+12
C = (3y-5)(-y+2)= -3y²+6y+5y-10= -3y²+11y-10
D= (4+t)(3-2t)= 12-8t+3t-2t²= -2t²-5t+12