Question

(x+())*(x+())=x^2+()+6 x^2+3x+()=(x+())^2 多项式4x^2+1加上一个单项式成为

Answer 1

(x+2)*(x+3)=x^2+(5x)+6

x^2+3x+(9/4)=(x+(3/2))^2

有五个

4x^4

-4x^2

-4x

4x

-1