x²-5x+6;x²-5x-6;x²+5x-6;x²+3x-18;x²-2x-15;a²+7a+10

问题描述:

x²-5x+6;x²-5x-6;x²+5x-6;x²+3x-18;x²-2x-15;a²+7a+10
a²b²-7ab+10;x²+4x+3;y²-7y+12;m²+7m-18;p²-5p-36;a²+3ab+2b²;x²-5xy-6y²;2p²-3p+1;m²+2mn-3n²;a²-9ab+20b²;3m²+4m+1;x³y-3x²y²+2xy³;-x的4次方+3x³+28x²;(x²-3x)²-(3x+7)²;(x+y)²+8(x+y)-48

x²-5x+6;=(x-2)(x-3)x²-5x-6;=(x-6)(x+1)x²+5x-6;=(x+6)(x-1)x²+3x-18;=(x+6)(x-3)x²-2x-15;=(x-5)(x+3)a²+7a+10,=(a+2)(a+5)a²b²-7ab+10;=(ab-2)(ab-5)x²+4x+3...