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2x^2-10x-12\leq 0

Solve the inequality -10x-12+2x^2#0

Answer

$-1\leq x\leq 6$

Step-by-step explanation

Problem

$2x^2-10x-12\leq 0$
1

To find the roots of a polynomial of the form $ax^2+bx+c$ we use the quadratic formula, where $a=2$, $b=-10$ and $c=-12$

$x =\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

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Answer

$-1\leq x\leq 6$