SOLUTION: Solve equation by factoring x^2-4x=21 standard Form x^2-4x-21=0 Thanks for your help!

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Question 181375This question is from textbook Algebra2
: Solve equation by factoring
x^2-4x=21
standard Form
x^2-4x-21=0
Thanks for your help! This question is from textbook Algebra2

Answer by solver91311(24713) About Me  (Show Source):
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