Unit 2 Lesson 3: Exercise 2
Factorise each expression.
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Question 1 of 101. Question
1) 4x2 – 9
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= ( – ) ( + )
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Question 2 of 102. Question
2) 49x2 – 1
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= ( – ) ( + )
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Question 3 of 103. Question
3) 9x2 – 16
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= ( – ) ( + )
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Question 4 of 104. Question
4) 49x2 – 9y2
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= ( – ) ( + )
CorrectIncorrect -
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Question 5 of 105. Question
5) 16x2 – 25
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= ( – ) ( + )
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Question 6 of 106. Question
6) x2 – 4/9
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= ( – / ) ( + / )
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Question 7 of 107. Question
7) x2 – 1/16
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= ( – / ) ( + / )
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Question 8 of 108. Question
8) x2 – 0.36
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= ( – / ) ( + / )
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Question 9 of 109. Question
9) 64 – x2
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= ( – ) ( + )
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Question 10 of 1010. Question
10) x2 – ¼
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= ( – / ) ( + / )
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