Two mark exercise problems I — task. Mathematics State Board, Class 9.

PDF chapter test TRY NOW

Answer variants:

{8 p}^{3} - {12 p}^{2} - 14 p + 60

{25 x}^{2} + {16 y}^{2}

{27 a}^{3} + {27 a}^{2} - 18 a - 8

p^{2} + {4 q}^{2} + {9 r}^{2} + 4 pq + 12 qr + 6 pr

p^{2} + {4 q}^{2} + {9 r}^{2} - 4 pq + 12 qr - 6 pr

x^{2} + {4 y}^{2} + {9 z}^{2} + 4 xy + 12 yz + 6 xz

x^{2} + {4 y}^{2} + {9 z}^{2} + 108 xyz

{27 a}^{3} + {27 a}^{2} + 18 a + 8

Expand the following using identities:

Did you find an error?

12. Two mark exercise problems I