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Answered

AIDER MOI SVP !
développer C= (x +3) ( 2x+5)
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Sagot :

ALICEGUERIN05

c=(x+3)(2x+5)

 2x²+5x+6x+15

 2x²+11x+15

JPMORIN3

bjr

C = (x +3) ( 2x+5)

 = x*2x + x*5 + 3*2x + 3*5

= 2x² + 5x + 6x + 15

= 2x² + 11x + 15