Factorise : (i) a^(2) - 23 a + 42....

Factorise : (i) `a^(2) - 23 a + 42`.

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ICSE-FACTORISATION-EXERCISE 13(F)

Factorise : (iv) 9x^(2) - (1)/( 16)
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Factorise : (v) 25 (x-2y)^(2) -4
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Factorise : (i) a^(2) - 23 a + 42.
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Factorise : (ii) a^(2) - 23 a - 108
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Factorise : (iii) 1- 18x - 63 x^(2)
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Factorise : (iv) 5x^(2) - 4xy - 12y^(2)
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Factorise : (v) x (3x + 14) + 8
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Factorise : (vi) 5-4 (1+ 3x)
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Factorise : (vii) x^(2) y^(2) - 3xy - 40
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Factorise : (viii) (3x - 2y)^(2) - 5 (3x -2y) - 24
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Factorise : (ix) 12 (a+b)^(2) - (a+b) - 35
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Factorise : (i) 15 (5x - 4)^(2) - 10 (5x -4)
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Factorise : (ii) 3a^(2) x - bx + 3a^(2) - b
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Factorise : (iii) b ( c- d)^(2) + a(d-c) + 3 (c-d)
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Factorise : (iv) ax^(2) + b^(2) y - ab^(2) - x^(2) y
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Factorise : (v) 1 -3x - 3y - 4 (x+y)^(2)
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Factorise : 2a^(3) - 50a
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Factorise : (ii) 54 a^(2) b^(2) - 6
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Factorise : (iii) 64 a^(2) b - 144 b^(3)
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Factorise : (iv) (2x - y)^(3) - (2x - y)
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