The complete solution of the in equation $x^{2} - 4 x < 12$ is

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2 < x < 6

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Solution

The correct option is D

$x^{2} - 4 x < 12$

⇒ $x^{2} - 4 x - 12 < 0$ ⇒ $x^{2} - 6 x + 2 x - 12 < 0$

⇒ (x-6)(x+2) < 0 ⇒ -2 < x < 6

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The complete solution of the in equation $x^{2} - 4 x < 12$ is

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The complete solution of the in equation x2−4x<12 is

The correct option is D x2−4x<12 ⇒ x2−4x−12<0 ⇒ x2−6x+2x−12<0 ⇒ (x-6)(x+2) < 0 ⇒ -2 < x < 6

The complete solution of the in equation $x^{2} - 4 x < 12$ is

The correct option is D

$x^{2} - 4 x < 12$

⇒ $x^{2} - 4 x - 12 < 0$ ⇒ $x^{2} - 6 x + 2 x - 12 < 0$

⇒ (x-6)(x+2) < 0 ⇒ -2 < x < 6