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secondary 3 | A Maths
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lana <3
Lana <3

secondary 3 chevron_right A Maths chevron_right Singapore

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: 260

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Cheng
Cheng's answer
237 answers (A Helpful Person)
1st
not sure if you can use this method..
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Christmas MT
Christmas Mt's answer
3276 answers (A Helpful Person)
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.