Hi I cannot substitute when x=a, f(x) and g(x)=0 but I cannot derive at 9p^2+16q

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secondary 4 | A Maths
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secondary 4 A Maths

Hi I cannot substitute when x=a, f(x) and g(x)=0 but I cannot derive at 9p^2+16q=0. Your help is really appreciated.

Date Posted: 7 years ago

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Express a in terms of p and/or q first...

Date Posted: 7 years ago

Yvonne

7 years ago

Thank you so much for your help!

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You need to get term A and B first

Date Posted: 7 years ago