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bonjour qui pourrait me factoriser A= 4y -20. B = 7y2 +5y. C = 64y2 - 9. D = 20y - 100​

Sagot :

MAUDMARINE

Bonjour

Factoriser :

A= 4y -20 = 4 (y - 5)

B = 7y² +5y = y (7y + 5)

C = 64y² - 9 = (8y - 3) (8y + 3)

D = 20y - 100​ = 20 (y - 5).

Bonjour,

A= 4y -20

4(y-5)

B = 7y² +5y

y( 7y +5)

C = 64y² - 9

(8y -3) (8y+3)

identité remarquable

D = 20y - 100​

10( 2y -10)