Factorise ces expressions A= 36-25x² B= 100+60x+9x² C= 2i(i+1)+2i(2+i) D= b²-10b+25 E= (2-x)²+(2-x)(9+x) F= (5x+1)²-81 G= (7d+2)²- (3d+4)²
Mathématiques
potatoes66
Question
Factorise ces expressions
A= 36-25x²
B= 100+60x+9x²
C= 2i(i+1)+2i(2+i)
D= b²-10b+25
E= (2-x)²+(2-x)(9+x)
F= (5x+1)²-81
G= (7d+2)²- (3d+4)²
A= 36-25x²
B= 100+60x+9x²
C= 2i(i+1)+2i(2+i)
D= b²-10b+25
E= (2-x)²+(2-x)(9+x)
F= (5x+1)²-81
G= (7d+2)²- (3d+4)²
1 Réponse
-
1. Réponse geekkhalil
Salut :)
A= 36-25x²
A= -(5 x-6) (5 x+6)
B= 100+60x+9x²
B= x(9 x+60)+100
C= 2i(i+1)+2i(2+i)
C= 2(-2+3 i)
D= b²-10b+25
D= (b-5)² = (b-5)(b-5)
E= (2-x)²+(2-x)(9+x)
E= -11(x-2)
F= (5x+1)²-81
F= x(25 x+10)-80
G= (7d+2)²- (3d+4)²
G= d (40 d+4)-12
Bye