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aidez moi avec ces calculs svpp SAUVEZ MOI SVPPPP
(t+4) (t+4) = ?
(-5b+9) (9b-5) = ?
-7 x (-7 - 7y) = ?
5x X (-3+5x) = ?
8 x (3+2a) = ?
(x + 1) (x - 6) = ?
-1 (-5b - 2) = ?
(y - 9) (y + 8)= ?
7 x (10t + 4) = ?
3a (-3a - 6) = ?
(10t - 3) (10t + 3) = ?
(4 - t)² = ?
(3t - 6)² = ?
(10 - 9t)² = ?
(6u + 2)² = ?
(5t + 7) (5t - 7) = ?
(9+8t)² = ?
(2v + 8)² = ?
(4u - 5) (5+4u) = ?
(7y - 8)² = ?
Merci a celui qui me sauvera !! ​

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