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Check whether the following are quadratic equations: (x+1)(x-1

Question

Check whether the following are quadratic equations:
$(x + 1) (x - 1) = (x + 2) (x + 3)$

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Theodore Discussed

Check whether the following are quadratic equations:

(x + 1) (x - 1) = (x + 2) (x + 3)

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Text solutionVerified

Given,

(x + 1) (x - 1) = (x + 2) (x + 3)

\Rightarrow x^{2} - 1^{2} = x^{2} + 5 x + 6

\Rightarrow x^{2} - 1^{2} - x^{2} - 5 x - 6 = 0

\Rightarrow - 5 x - 7 = 0

∵

The highest power of x in the equation is 1;

∴

It is not a quadratic equation.

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Question Text	Check whether the following are quadratic equations: $(x + 1) (x - 1) = (x + 2) (x + 3)$
Answer Type	Text solution:1
Upvotes	150