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Answered

68. Factoriser.
A = x(6 - x) - 5y(6 - x)
B = (3y + 11) x2 - (3y + 11) x 7y
C = 7y(9 - 5x) - (9 - 5x)
D = x2(x - 4) - 9(x-4)

68 Factoriser A X6 X 5y6 X B 3y 11 X2 3y 11 X 7y C 7y9 5x 9 5x D X2x 4 9x4 class=

Sagot :

Réponse :

Explications étape par étape

Bsr,

A = x(6 - x) - 5y(6 - x)=

(6-x) (x -5y)

B = (3y + 11) x2 - (3y + 11) x 7y=

(3y+11) (2 -7y)

C = 7y(9 - 5x) - (9 - 5x)=

(9-5x ) ( 7y -1)

D = x2(x - 4) - 9(x-4)=

(x-4) ( x² -9)

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