Sagot :
bonsoir
25x² + 10x + 1
(a+b) ² = (5x +1) ²
100-4x²
(a+b) (a-b) = > (10 + 2x) (10 -2x)
-64x²+16
(a+b) (a-b) => (4+ 8x) (4-8x)
a->√16 = 4
b-> √64x² = 8x
1+t²- 2t
(t-1)²
a-> t
b -> 1
Bonsoir
= 25x²+10x+1
A = (5x + 1)(5x + 1)
B = 100 - 4x²
B = 10² - (2x)²
B = ( 10 - 2x)(10 + 2x)
C = -64x² + 16
C = -[ (8x)² - 4²]
C= - (8x - 4)(8x + 4)
D = 1 + t² - 2t
D = t² - 2t + 1
D = (t - 1)²
D= (t - 1)(t-1)
Bonne soirée
