Math, asked by kaushik0607, 10 months ago

r2+14r-147=0
Find r.
Please help

Answers

Answered by wwwshailjagenie

0

Answer:

r2 +14r-147=0

=r2+(21-7)r-147=0

=r2+21r-7r-147=0

=r(r+21)-7(r+21)=0

=(r-7)(r+21)=0

= r=7 , r= -21.

Hope it will help you !

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