CALI213974 CALI213974 Mathématiques Answered 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 !!