Question

find the coefficient of x square in(x square -1)(x-2).


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Answer 1

Answer:

Coefficient of x² = -2

Step-by-step explanation:

(x²-1)(x-2)

= x²(x-2)-1(x-2)

= x³-2x²-x+2

Now ,

Coefficient of x² = -2

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Answer 2

The coefficient of x² is (-2).

Step-by-step explanation:

We need to find the coefficient of  in the following expression i.e.

$(x^2-1)(x-2)$

It means we need to multiply (x²-1) and (x-2). We get,

$(x^3-2x^2-x+2)$

Coefficient of a variable is defined as the constant number with which it is multiplies.

Here, the coefficient of x² is (-2).

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