Question

calcule (√2-2√3)×(2√2+3)-(2√3-√2)²

Answer 1

Resposta:

-10+3√2-6√3

Explicação passo-a-passo:

(√2-2√3)×(2√2+3)-(2√3-√2)²

Equivale: √2*2√2+3√2-2√3*2√2-3*2√3-((2√2)^2-2*2√3*√2+(√2)^2)

Equivale: 4+3√2-4√6-6√3-12+4√6-2=-10+3√2-6√3