Hi there, please help me out with this question. Thanks.

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secondary 3 | E Maths
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secondary 3 E Maths

Hi there, please help me out with this question. Thanks.

Date Posted: 6 years ago

Jiayang

6 years ago

c=±16

Oscar

6 years ago

How did you get that? Can you show workings? Thanks

Jiayang

6 years ago

(x±b)²=a²±2bx+b²
b²=64, b=8
c=±2b=±16

Oscar

6 years ago

Thanks, for your help!

Oscar

6 years ago

Thanks, for your help!

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Date Posted: 6 years ago

Oscar

6 years ago

Cool, thanks!

Oscar

6 years ago

Thanks!