Question

Dscompuneti in factori: f) 12x ²- y ² g) 3x²-2pe 9 y² h)11pe 4 x²-14 I) 1pe 9 -5²
k) 9pe 49 -2x² l)7x²- 1pe 25 m) 8x²- y²pe 49

Answer 1

Răspuns:

Explicație pas cu pas:

(2√3x-y)(2√3x+y)

(x√3-y√2/3)(x√3+y√2/3)

(x√11/2-√14)(x√11/2+√14)

(1/3-5) (1/3+5)

(3/7-x√2) (3/7+x√2)

(x√7-1/5) (x√7+1/5)

(x*2√2-y/7) (x*2√2+1/7)