Question

преобразуйте в многочлены : a) (2+3x)^2; b) (a-5b)^2; c) (y+10) (y-10)

Answer 1

а) (2+3х)^2=4+12x+9x^2

b) (a-5b)^2=a^2-10b+25b^2

c) (y+10)(y-10)=y^2-100

Answer 2

A)=(2+3X)(2+3X)=4+12x+6x+9x=4+27x

b)=y^2-100

c)=(a-5b)(a-5b)=a^2-10ab+25b^2