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LCM of Polynomials

Say true or f...

Question

Say true or false.
If $x (x + 1) = 6$ , then $x = 2$ or $x = - 3$ .

A

True

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B

False

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Solution

The correct option is A True
Given equation is $x (x + 1) = 6$
$x^{2} + x - 6 = 0$
$x^{2} + 3 x - 2 x - 6 = 0$
$(x + 3) (x - 2) = 0$
$∴ x = 2, - 3$

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