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Question
secondary 3 | A Maths
2 Answers Below
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I’ve already solved a) , b) , c) I just don’t know how to do d). I’m not sure how to factorise it. Help would be greatly appreciated !! <3
Date Posted: 2 years ago
Views: 235
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not sure if you can use this method..
Date Posted:
2 years ago
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its a very similar question to the other 3, x^2-18 is still in the format of ax^2 + bx + c, you just need to see that b=0 in this case. it is still a quadratic eqn.
Date Posted:
2 years ago
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