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Factoriser : x2 + 5x - 10

x2 : x au carré

Factoriser X2 5x 10 X2 X Au Carré class=

Sagot :

MILLOUDU15
x (x+5-10)
x(x-5)

Voila voila :)
TERRYVIL09

2 (x² + 5x - 10)         2x² + 10x - 20

--------------------  = -----------------------

         x²                               x²

 

                            =  (x - 5)(x +5)

                                        x²