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Solve the equation 7x^2+21=0

Solve the equation 7x^2+21=0
asked 55.4k views
5 votes
Solve the equation
7x^2+21=0

asked
User Jamal
by
9.1k points

1 Answer

1 vote
Subtract 21 from both sides
7x^2=-21
Divide by seven on both sides
X^2=-3
Square root both sides

***X= square root of -3***
:)
answered
User Jamjam
by
7.8k points
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