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Kirito224
@Kirito224
May 2019
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Bonjour merci de vouloir m'aider combien font ces expressions merci encore a) 5x(#+3) b) -2X(#+5) c) (y-3)x6 d) 7X(-2-4) e) -4x(2-6) f) -2(-c+1) merci encore
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nathou08
Verified answer
A) 5#+15
b) -2#-10
c) 6y-18
d) -14-28
e) -8+24
f) 2c-2
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gsantha
Bonsoir
a) 5 * (x + 3)
= 5 * x + 5 * 3
= 5x + 15
b) 2 * (x + 5)
= 2 * x + 2 * 5
= 2x + 10
c) (y - 3) * 6
= 6 * y + 6 * (-3)
= 6y - 18
d) 7 * (-2 - 4)
= 7 * (-6)
= -42
e) -4 * (2 - 6)
= -4 * (-4)
= 16
f) -2 (-c + 1)
= -2 * (-c) - 2 * 1
= 2c - 2
les # je les ai remplacé par x
et le fois c'est *
Voilà j'espère avoir pu t'aider ^^
0 votes
Thanks 0
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Verified answer
A) 5#+15b) -2#-10
c) 6y-18
d) -14-28
e) -8+24
f) 2c-2
a) 5 * (x + 3)
= 5 * x + 5 * 3
= 5x + 15
b) 2 * (x + 5)
= 2 * x + 2 * 5
= 2x + 10
c) (y - 3) * 6
= 6 * y + 6 * (-3)
= 6y - 18
d) 7 * (-2 - 4)
= 7 * (-6)
= -42
e) -4 * (2 - 6)
= -4 * (-4)
= 16
f) -2 (-c + 1)
= -2 * (-c) - 2 * 1
= 2c - 2
les # je les ai remplacé par x
et le fois c'est *
Voilà j'espère avoir pu t'aider ^^