Q3 of 90 Page 33

Factorize using appropriate identities.

Using identity: (a² – b²) = (a + b)(a – b)

x² + 6xy + 9y²

Factorize using appropriate identities.

x² – 4x + 4

Expanding the following using suitable identities.

(2a – 3b – c)²

Expanding the following using suitable identities.

(2 + x – 2y)²

Questions · 90

3. Polynomials

1 2 3 4 5 6 7 1 1 1 1 2 2 2 2 3 3 3 3 3 3 3 3 4 1 1 1 1 1 2 3 4 1 1 1 1 2 2 2 2 3 4 5 6 6 6 6 7 7 7 7 7 7 1 1 1 1 1 1 2 2 2 3 3 3 4 4 4 4 4 4 5 5 6 6 6 6 7 7 7 8 8 8 8 9 10 10 11 12 12