Bonjour
a. 2 * (3x * 3) = 2 * 9x = 18x
b. (5 * x - 2) * 8 = (5x - 2) * 8 = 40x - 16
c. (6 + 4 * x) * 2 = (6 + 4x) * 2 = 12 + 8x
d. 3 + (x + 5) = x + 8
e. 7 * (x + 1) = 7x + 7
f. 8 (2x + 2) * 3 = (16x + 16) * 3 = 48x + 48.
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Bonjour
a. 2 * (3x * 3) = 2 * 9x = 18x
b. (5 * x - 2) * 8 = (5x - 2) * 8 = 40x - 16
c. (6 + 4 * x) * 2 = (6 + 4x) * 2 = 12 + 8x
d. 3 + (x + 5) = x + 8
e. 7 * (x + 1) = 7x + 7
f. 8 (2x + 2) * 3 = (16x + 16) * 3 = 48x + 48.