Final answer to the problem
$x>5$
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Step-by-step Solution
How should I solve this problem?
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- Prodotto di binomi con termine comune
- Metodo FOIL
- Sostituzione di Weierstrass
- Dimostrare dal LHS (lato sinistro)
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1
Apply the formula: $x+a+b>c$$=x+b>c-a$, where $a=-20$, $b=-x$, $c=0$ and $x=x^2$
$x^2-x>0+20$
Learn how to solve disuguaglianze problems step by step online.
$x^2-x>0+20$
Learn how to solve disuguaglianze problems step by step online. Solve the inequality x^2-x+-20>0. Apply the formula: x+a+b>c=x+b>c-a, where a=-20, b=-x, c=0 and x=x^2. Apply the formula: a+b=a+b, where a=0, b=20 and a+b=0+20. Apply the formula: x^2+bx=x^2+bx+\left(\frac{b}{2}\right)^2-\left(\frac{b}{2}\right)^2, where b=-1, bx=-x and x^2+bx=x^2-x. Apply the formula: x^2+bx+f+g=\left(x+\sqrt{f}sign\left(b\right)\right)^2+g, where b=-1, bx=-x, f=\frac{1}{4}, g=- \frac{1}{4} and x^2+bx=x^2-x+\frac{1}{4}- \frac{1}{4}.
Final answer to the problem
$x>5$
