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
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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