9 + 15mfactorisation of algebraic expression that contain common factor
2 answers:
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If the equation is
then rewrite the equation as
Divide boths sides by 7:
Since , we can factorize this as
Now solve for <em>x </em>:
where <em>n</em> is any integer.
If you meant sin(2<em>x</em>) instead, I'm not sure there's a simple way to get a solution...