Question

Efectuati:
a). (2x-3)(2x-3)(4x²+9)-(4x²-3)²=
b) (x√2+1)²+x(x-2√3)-(x√3-1)²=
c) (3√2-2√3)(√12+√18)-(2-√3)²-√48=
e). √2(√2+4√3)-√24+(√3-√2)²=

Answer 1

(4x^2-9)(4x^2+9)-(16x^4-24x^2+9)=16x^4-81-16x^4+24x^2-9=24x^2-90