p(x) = 14x+14
( perimètre rectangle = 2(L + l )
donc 2( 5x + 2x + 7 ) )
p(x) = 2 × (5x) + 2 × (2x+7)
p(x) = 10x + 4x +14
p(x) = 14x +14
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p(x) = 14x+14
( perimètre rectangle = 2(L + l )
donc 2( 5x + 2x + 7 ) )
p(x) = 2 × (5x) + 2 × (2x+7)
p(x) = 10x + 4x +14
p(x) = 14x +14