Question

(√3+√2)(√3-√2); (2√3+3√2)(2√3-3√2); (√2x+√3y)(√2x-√3y)

Answer 1

(a-b)(a+b)=a²-b²
3-2=1
12-18=-6
2x²-3y²

Answer 2

(a-b)(a+b)=a²-b²
(√3+√2)(√3-√2)=3-2=1
(2√3+3√2)(2√3-3√2)=12-18=-6
(√2x+√3y)(√2x-√3y)=2x²-3y²
Sper că te-am ajutat!