bonjour,
A = 2 x + 4
2 * -3 + 4 = - 6 + 4 = - 2
C = ( x + 2 ) ²
( - 3 + 2 )² = ( - 1 ) ² = 1
E = - 10 - 3 x
- 10 - 3 *-3 = - 10 + 9 = - 1
B = - 3 ( - 3 + 2 ) = - 3 * - 1 = 3
d = x² + 2 x - 4
( - 3 )² + 2 * - 3 - 4
= 9 - 6 - 4
= - 1
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bonjour,
A = 2 x + 4
2 * -3 + 4 = - 6 + 4 = - 2
C = ( x + 2 ) ²
( - 3 + 2 )² = ( - 1 ) ² = 1
E = - 10 - 3 x
- 10 - 3 *-3 = - 10 + 9 = - 1
B = - 3 ( - 3 + 2 ) = - 3 * - 1 = 3
d = x² + 2 x - 4
( - 3 )² + 2 * - 3 - 4
= 9 - 6 - 4
= - 1