Hi, could you help to explain the solution to this problem sum? Thank you so muc

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secondary 3 | A Maths
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secondary 3 A Maths Singapore

Hi, could you help to explain the solution to this problem sum? Thank you so much.

Date Posted: 4 years ago

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Here is one way to approach this question. The conditions to meet are

-25/a + c = 7 and a < 0.

Date Posted: 4 years ago

Candice Lim

4 years ago

Awesome! Thanks Sir. Your advised solution is very clear :)

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An alternative approach using a Sec 4 A Maths method.

Date Posted: 4 years ago

Candice Lim

4 years ago

I really appreciate your advised alternative solution, though I can't understand for now :) Once again, thanks!