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a fost răspuns

a)(x+√3)²-(2√3)²
b)(y-√2)²-(2√2)²
f)(x+√2y)²-8y²
g)(x+√3)²-(2x+2√3)²

Răspuns :

Renatemambouko
a)(x+√3)²-(2√3)²=(x+√3-2√3)(x+√3+2√3)=(x-√3)(x+3√3)
b)(y-√2)²-(2√2)²=(y-√2-2√2)(y-√2+2√2)=(y-3√2)(y+√2)
f)(x+√2y)²-8y²=(x+√2y-2√3y)(x+√2y+2√3y)
g)(x+√3)²-(2x+2√3)²=(x+√3-2x-2√3)(x+√3+2x+2√3)=(-x-√3)(3x+3√3)=-3(x+√3)(x+√3)     =-3(x+√3)²