If w2+15=40 what would w be ?

CerebralFart asked Oct 11, 2023

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10 votes

CerebralFart asked Oct 11, 2023

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8 votes

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

Subtract 15 from both sides:

w^2+15-15=40-15

w^2=25

Take square root:

±
√(25)

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

Ryan Brodie answered Oct 15, 2023

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