What is the solution to (X - 5)(2x + 1)(x - 7) > 0? Please show all steps!
+15001 What is the solution to (x - 5)(2x + 1)(x - 7) > 0? Please show all steps!
Hello Guest!
\(f(x)=(x - 5)(2x + 1)(x - 7) > 0\)
\(\large \{\) \(if\ (x - 5)(2x + 1)(x - 7) = 0\) \(then \) \(x\in\{-0.5;\ 5;\ 7\}\) \(\large \}\)
\(if\ f(x)>0\) \(then \) \(x\in\mathbb{R}\) |-0.5 < x < 5 and x > 7
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