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5 votes
Solve the equation
7x^2+21=0

User Jamal
by
6.4k 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***
:)
User Jamjam
by
5.2k points