D=(X-4)(2X-5) D=X x 2x²+X x (-5)-4 x 2X-4 x (-5) D=2X²-5X-8X+20 D=2X²+(-13X)+20
E=(3X-4)² E=(3X)²-2 x 3X x 4+4² E=9X²-24X+16 E=9X²+(-24X)+16
F=(2X+5)(3X-1)+5(X-2) F=2X x 3X+2X x (-1)+5 x 3X+5 x (-1)+5 x X+5X x (-2) F=6X²-2X+15X-5+5X-10 F=6X²+18X+(-15)
G=(3X-5)(2X+1)-(5X-1)(4X-3) G=3X x 2x+3X x 1-5 x 2X-5X x 1-(5X x 4X+5X x (-3)-1 x 4X-1 x -3) G=6X²+3X-10X-5-(20X²-15X-4X+3) G=6X²+3X-10X-5-20X²+15X+4X-3 G=-14X²+12X+(-8)
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A=6X-5X-4
A=X-4
A= 0X²+1X+(-4)
B=(3X²-4)-(3X-2X²)-15
B=3X²-4-3X+2X²-15
B=5X²-3X-19
B=5X²+(-3X)+(-19)
C=7(3X+4)-6
C=21X+28-6
C=21X+22
C=0X²+21X+22
D=(X-4)(2X-5)
D=X x 2x²+X x (-5)-4 x 2X-4 x (-5)
D=2X²-5X-8X+20
D=2X²+(-13X)+20
E=(3X-4)²
E=(3X)²-2 x 3X x 4+4²
E=9X²-24X+16
E=9X²+(-24X)+16
F=(2X+5)(3X-1)+5(X-2)
F=2X x 3X+2X x (-1)+5 x 3X+5 x (-1)+5 x X+5X x (-2)
F=6X²-2X+15X-5+5X-10
F=6X²+18X+(-15)
G=(3X-5)(2X+1)-(5X-1)(4X-3)
G=3X x 2x+3X x 1-5 x 2X-5X x 1-(5X x 4X+5X x (-3)-1 x 4X-1 x -3)
G=6X²+3X-10X-5-(20X²-15X-4X+3)
G=6X²+3X-10X-5-20X²+15X+4X-3
G=-14X²+12X+(-8)