AUT01-10

retour

a. $6\times (x+4) = 6x + 6\times 4 = 6x + 24$.

b. $5(7+x) = 5\times 7 + 5x = 35 + 5x$.

c. $8(x-5) = 8x - 8\times 5 = 8x - 40$.

d. $9(6-x) = 9\times 6 - 9x = 54 - 9x$.

e. $(x+4)\times 3 = 3x + 4\times 3 = 3x + 12$.

f. $(x-8)\times 2 = 2x - 2\times 8 = 2x - 16$.

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code : 164