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Q1. Check whether the following are quadratic equations :

(ii) $x^2 - 2x = (-2)(3-x)$

Answers (1)

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Given equation $x^2 - 2x = (-2)(3-x)$ can be written as:

$\Rightarrow x^2 -2x = -6+2x$

i.e., $x^2-4x+6 = 0$

This equation is of type: $ax^2+bx+c = 0$ .

Hence, the given equation is a quadratic equation.

Posted by

Divya Prakash Singh

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