63.1k views
1 vote
If w2+15=40 what would w be ?

User Sanmeet
by
7.8k points

1 Answer

1 vote


\fbox{w=5 or w=-5}

Subtract 15 from both sides:


w^2+15-15=40-15


w^2=25

Take square root:


w= ±
√(25)


w=5\\or\\w=-5

User Guto Araujo
by
8.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories