Réponses

2014-02-23T16:56:39+01:00
12x - 15
=3(4x-5)

8x² + 3x
=x(8x+3)

5x  - 35x²
=5x(1-7x)
  • Utilisateur Brainly
2014-02-23T17:00:06+01:00
A= 12x - 15
A= 3 X 4x - 3 X 5
A= 3(4x - 5)

B= 8x² + 3x
B= 8x X x + 3 X x
B= x(8x + 3)

C= 5x - 35x²
C= 5x X 1 - 5x X 7x
C= 5x(1 - 7x)

Au revoir