1) Which of the following is a common factor method of factorisation? a) x2 - y2 b) 3x+6 c) x2+5x+6 d) x2+2xy+y2 2) The expressions a2 - b2 can be factorized as a) (a-b)2 b) (a+b)2 c) (a+b) (a-b) d) a(a-b) 3) The expression x2+5x+6 can be factorized by a) Common factor method b) Grouping method c) Splitting the middle term d) using identity 4) Which identity is used to factorize x2+2xy+y2? a) a2-b2 b) (a+b)2 c) (a-b)2 d) none of these 5) Which of the following cannot be factorized further? a) x2-4 b) x2+4x+3 c) x2+3x+2 d) x2+2

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