Question

Ofer 50 de puncte!
Descompuneti in factori primi:
4x^2-x-3
3x^2+10x+8
4x^2+11x+6
2x^2+3x-5
2x^2+9x+9
2x^2+11x+15
Multumesc

Answer 1

4x² - 4x+3x -3  = 4x(x-1) +3(x-1)  =  (x-1)(4x+3)

3x² + 6x+4x+8 = 3x(x+2) +4(x+2) = (x+2)(3x+4)

4x²+8x+3x+6  = 4x(x+2) + 3(x+2) = (x+2)(4x+3)

2x²+5x-2x-5   = x(2x+5) -1(2x+5) =  (2x+5)(x-1)

2x²+6x+3x+9  = 2x(x+3) +3(x+3) =  (x+3)(2x+3)

2x²+6x+5x+15 = 2x(x+3) +5(x+3) = (x+3)(2x+5)