Answered

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a.(5y) *(6y)

b.(6+x)*(3x)

c.(5x)*(x+8)

d.(5+y)*(6+y)

factoriser

recopier et completer

a(3t+....)²=9t²+......+49

b.(y-.....)²=y²-14y+...

c.(....+5)²=...+10a+25

d.(x-....)²=x²-2x+.....

merci  ;)

Sagot :

a) 30y²
b) 18x+3x²
c) 5x²+40x
d) 30+5y+6y+y²=30+11y+y²

a)(3t+7)²=9t²+42t+49
b)(y-7)²=y²-14y+49
c) (a+5)²=a²+10a+25
d)(x-1)²=x²-2x+1
DROOPETTE
a.(5y) *(6y)=30y²
b.(6+x)*(3x)=18x+3x²
c.(5x)*(x+8)=5x²+40x
d.(5+y)*(6+y)=30+5y+6y+y²=y²+11y+30

a(3t+7)²=9t²+42t+49
b.(y-7)²=y²-14y+49
c.(a+5)²=a²+10a+25
d.(x-1)²=x²-2x+1