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ndiayemarotraorebaby
@ndiayemarotraorebaby
January 2021
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vous pouvez m'aider à faire ces exercices s'il vous plaît? c'est pour demain.
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linouchette
1)
x=4
a=x^2=(4)^2=4×4=16
b=6x+6=6 (4)+6=24+6=30
c=(2x+2)^2=[2 (4)+2]^2=(8+2)^2=10^2=100
d=2x^2+3x+4=2 (4)^2+3 (4)+4=2×16+12+4
=32+12+4=48
2)
x=-5
e=-3x+10=-3 (-5)+10=15+10=25
f=2x^2-4x+5=2 (-5)^2-4 (-5)+5=-10+20+5
=15
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ndiayemarotraorebaby
Merci beaucoup
linouchette
derien:)
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Bonjour vou pouviez m'aider a faire cette exercice svp. le table
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x=4
a=x^2=(4)^2=4×4=16
b=6x+6=6 (4)+6=24+6=30
c=(2x+2)^2=[2 (4)+2]^2=(8+2)^2=10^2=100
d=2x^2+3x+4=2 (4)^2+3 (4)+4=2×16+12+4
=32+12+4=48
2)
x=-5
e=-3x+10=-3 (-5)+10=15+10=25
f=2x^2-4x+5=2 (-5)^2-4 (-5)+5=-10+20+5
=15