Haakjes wegwerken

\((-6 a + 5 b)^{2} = 36 a^{2} - 60 a b + 25 b^{2}\)

\((4 x - 2)^{2} = 16 x^{2} - 16 x + 4\)

\((p + 1)^{2} = p^{2} + 2 p + 1\)

\((9 x - 2 y) (9 x + 2 y) = 81 x^{2} - 4 y^{2}\)

\((4 p - 3) (4 p + 3) = 16 p^{2} - 9\)

\((x + 6) (x - 6) = x^{2} - 36\)

\((-9 x - 2) + (-6 x - 3) = -9 x - 2 - 6 x - 3 = -15 x - 5\)

\((-7 p + 9) - (-5 p - 2) = -7 p + 9 + 5 p + 2 = -2 p + 11\)

\(-4 + (-3 x + 5) = -4 - 3 x + 5 = -3 x + 1\)

\(-4 - (7 x + 6) = -4 - 7 x - 6 = -7 x - 10\)

\((-6 x - 4) (9 y + 8) = -54 x y - 48 x - 36 y - 32\)

\((p - 5) (p + 8) = p^{2} + 8 p - 5 p - 40 = p^{2} + 3 p - 40\)

\((8 x - 4) (2 x + 5) = 16 x^{2} + 40 x - 8 x - 20 = 16 x^{2} + 32 x - 20\)

\(-7 (8 a + 3 b) = -56 a - 21 b\)

\(8 (6 p + 4) = 48 p + 32\)

\(6 (5 p + 2 q - 8) = 30 p + 12 q - 48\)

\(2 (-6 a - 8) + 4 (7 a + 9) = -12 a - 16 + 28 a + 36 = 16 a + 20\)

\(-3 a (6 a - 7) = -18 a^{2} + 21 a\)

\(a (a + 3) (a - 9) = a (a^{2} - 6 a - 27) = a^{3} - 6 a^{2} - 27 a\)

\((a + 8) (a + 6) (a + 2) = (a + 8) (a^{2} + 8 a + 12) = a^{3} + 8 a^{2} + 12 a + 8 a^{2} + 64 a + 96 = a^{3} + 16 a^{2} + 76 a + 96\)