Herleid.
1p
\((8 x - 3 y)^{2}\)
○
\((8 x - 3 y)^{2} = 64 x^{2} - 48 x y + 9 y^{2}\)
1p
Herleid.
1p
\((-4 p - 8)^{2}\)
○
\((-4 p - 8)^{2} = 16 p^{2} + 64 p + 64\)
1p
Herleid.
1p
\((a + 5)^{2}\)
○
\((a + 5)^{2} = a^{2} + 10 a + 25\)
1p
Herleid.
1p
\((-3 p - 6 q) (-3 p + 6 q)\)
○
\((-3 p - 6 q) (-3 p + 6 q) = 9 p^{2} - 36 q^{2}\)
1p
Herleid.
1p
\((9 a - 4) (9 a + 4)\)
○
\((9 a - 4) (9 a + 4) = 81 a^{2} - 16\)
1p
Herleid.
1p
\((p + 2) (p - 2)\)
○
\((p + 2) (p - 2) = p^{2} - 4\)
1p
Herleid.
1p
\((8 a - 9) + (6 a + 5)\)
○
\((8 a - 9) + (6 a + 5) = 8 a - 9 + 6 a + 5 = 14 a - 4\)
1p
Herleid.
1p
\((6 a + 3) - (-4 a - 7)\)
○
\((6 a + 3) - (-4 a - 7) = 6 a + 3 + 4 a + 7 = 10 a + 10\)
1p
Herleid.
1p
\(9 + (-2 x + 8)\)
○
\(9 + (-2 x + 8) = 9 - 2 x + 8 = -2 x + 17\)
1p
Herleid.
1p
\(-9 - (6 a - 2)\)
○
\(-9 - (6 a - 2) = -9 - 6 a + 2 = -6 a - 7\)
1p
Herleid.
1p
\((3 x + 6) (-8 y - 4)\)
○
\((3 x + 6) (-8 y - 4) = -24 x y - 12 x - 48 y - 24\)
1p
Herleid.
1p
\((a - 2) (a - 5)\)
○
\((a - 2) (a - 5) = a^{2} - 5 a - 2 a + 10 = a^{2} - 7 a + 10\)
1p
Herleid.
1p
\((-4 p - 3) (-2 p - 5)\)
○
\((-4 p - 3) (-2 p - 5) = 8 p^{2} + 20 p + 6 p + 15 = 8 p^{2} + 26 p + 15\)
1p
Herleid.
1p
\(7 (8 a - 9 b)\)
○
\(7 (8 a - 9 b) = 56 a - 63 b\)
1p
Herleid.
1p
\(8 (9 a - 2)\)
○
\(8 (9 a - 2) = 72 a - 16\)
1p
Herleid.
1p
\(-7 (-2 x + 8 y + 3)\)
○
\(-7 (-2 x + 8 y + 3) = 14 x - 56 y - 21\)
1p
Herleid.
1p
\(-4 (-7 p - 9) + 3 (2 p + 5)\)
○
\(-4 (-7 p - 9) + 3 (2 p + 5) = 28 p + 36 + 6 p + 15 = 34 p + 51\)
1p
Herleid.
1p
\(-2 x (5 x + 8)\)
○
\(-2 x (5 x + 8) = -10 x^{2} - 16 x\)
1p
Herleid.
1p
\(p (p + 4) (p - 8)\)
○
\(p (p + 4) (p - 8) = p (p^{2} - 4 p - 32) = p^{3} - 4 p^{2} - 32 p\)
1p
Herleid.
1p
\((a - 5) (a - 9) (a - 4)\)
○
\((a - 5) (a - 9) (a - 4) = (a - 5) (a^{2} - 13 a + 36) = a^{3} - 13 a^{2} + 36 a - 5 a^{2} + 65 a - 180 = a^{3} - 18 a^{2} + 101 a - 180\)
1p