HINATASHOYO010
Answered

factoriser 20xau carré +3-7x
SVP et merci beaucoup ​

Sagot :

LOULAKAR

Bonjour

Factoriser 20xau carré +3-7x

= 20x^2 - 7x + 3

= (xV20)^2 - 2 * xV20 * 7/(2V20) + [7/(2V20)]^2 - [7/(2V20)]^2 + 3

= [xV20 - 7/(2V20)]^2 - 49/80 + 240/80

= [xV20 - 7/(2V20)]^2 + 191/80

On ne peut pas plus factoriser