Emma's answer to abc's Secondary 3 A Maths question.

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Emma
Emma's answer
4 answers (A Helpful Person)
1st
Use the quadratic function in ur calculator to find out the x values and then sub it back in the equation in the form f(-2)=..... =0!
abc
Abc
6 years ago
Sorry but I'm not sure that the answer is as simple as using your calculator to factorise the answer directly...