Q 1: Factorise 15x(7a+9) + 7y(7a+9). (15x+7y)(7a+9) (5x+2y)(5a8) (15x+7y)(7a9) (4x+6y)(3a5)

Q 2: (x3)^{2} 64 = _____? (x+5)(x11) (x5)(x11) (x+5)(x+11)

Q 3: _____  12x + 4. (3x+2)^{2} (x+5)^{2} (3x2)^{2} (5x+2)^{2}

Q 4: Express 24x^{2} + 42xy as product of factors. 7x(4x+6y) 4x(7x+6y) 6x(4x+7y)

Q 5: (9x^{2}+7x+9)(8x) = _____? 72x^{2}+56x+72 72x^{3}+49x^{2}+64x 72x^{3}+56x^{2}+72x 68x^{3}+56x^{2}+72x

Q 6: Factorise 169x^{2 } 1. (13x+1)(13x+1) (13x+1)(13x1) (13x1)(13x1)

Q 7: Factorise x^{2 }+ 18x + 81. (x+9)(x+9) (x9)(x+9) (x9)(x9)

Q 8: (x1)(3x4) = 3x^{2}7x+___. Answer:

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Question 10: This question is available to subscribers only!

