Zapisz w postaci suny algebraicznej:
a)(x+1)(x+2)(x+3)=(x²+x+x+2)(x+3)=x³+x²+x²+2x+3x²+3x+3x+6=x³+5x²+8x+6
b)(x-2)(x+5)(2x-1)=(x²-2x+5x-10)(2x-1)=2x³-4x²+10x²-20x-x²+2x-5x+10=3x³-x²-23x+10
c)(x-4)(x+1)²=(x-4)(x²+2x+1)=x³-4x²+2x²-8x+x-4=x³-2x²-7x-4
d)(2x-3)²(x+2)=(4x²-12x+9)(x+2)=4x³-12x²+9x+8x²-24x+18=4x³-4x²-15x+18
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a)(x+1)(x+2)(x+3)=(x²+x+x+2)(x+3)=x³+x²+x²+2x+3x²+3x+3x+6=x³+5x²+8x+6
b)(x-2)(x+5)(2x-1)=(x²-2x+5x-10)(2x-1)=2x³-4x²+10x²-20x-x²+2x-5x+10=3x³-x²-23x+10
c)(x-4)(x+1)²=(x-4)(x²+2x+1)=x³-4x²+2x²-8x+x-4=x³-2x²-7x-4
d)(2x-3)²(x+2)=(4x²-12x+9)(x+2)=4x³-12x²+9x+8x²-24x+18=4x³-4x²-15x+18