Find which of the following equations are quadratic:
$5 x^{2} - 8 x = - 3 (7 - 2 x)$

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Find which of the following equations are quadratic:

5 x^{2} - 8 x = - 3 (7 - 2 x)

11 mins ago

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11 mins ago

Text solutionVerified

5 x^{2} - 8 x = - 3 (7 - 2 x)

\Rightarrow 5 x^{2} - 8 x = 6 x - 21

\Rightarrow 5 x^{2} - 14 x + 21 = 0;

which is of the general form

a x^{2} + b x + c = 0

Thus, the given equation is a quadratic equation.

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Question Text	Find which of the following equations are quadratic: $5 x^{2} - 8 x = - 3 (7 - 2 x)$
Answer Type	Text solution:1
Upvotes	150