Question

Преобразуйте в многочлен: а)(2+3х)^2 б)(а-5b)^2 в)(y+10)(y-10)

Answer 1

а)(2+3х)^2=4+12x+9x^2

б)(а-5b)^2=a^2-10ab+25b^2

в)(y+10)(y-10)=y^2-100

Answer 2

а)(2+3х)^2=4+12x+9x^2

б)(а-5b)^2=a^2-10ab+25b^2=26b^2-10ab

в)(y+10)(y-10)=y^2-100