SOLUTION: please help me solve this equation {{{x^2 + 4x - 21 = 0 ?}}}

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Question 254049: please help me solve this equation x%5E2+%2B+4x+-+21+=+0+%3F
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


This quadratic factors. Hint: 7 X (-3) = - 21. 7 + (-3) = 4.


John