Question

ВЫПОЛНИТЕ УМНОЖЕНИЕ , ДАМ 34 БАЛЛА!

Answer 1

$(a-b)(a+b)=a^2-b^2quad Rightarrow \\\(x-5)(x+5)=x^2-25\\(3-2x)(3+2x)=9-4x^2\\(t-4c)(t+4c)=t^2-16c^2\\(2u-3v)(2u+3v)=4u^2-9v^2\\(2-xz)(2+xz)=4-x^2z^2\\(3c-5bd)(3c+5bd)=9c^2-25b^2d^2\\(a^2+1)(a^2-1)=a^4-1\\(b^3-c)(b^3+c)=b^6-c^2\\(2a+x^2)(2a-x^2)=4a^2-x^4\\(x^3-2y^4)(x^3+2y^4)=x^6-4y^8$