Question

Factors of trinomial ( X²-3X +2) ​

Answer 1

Answer:

use quadratic equation method

Step-by-step explanation:

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Answer 2

Answer:

(x-2) and (x-1)

Step-by-step explanation:

Given there is an algebraic expression,

x^2 -3x+2

Clearly, it's a quadratic polynomial.

Therefore, it's factor will be in the form of (x±a)(x±b).  

Now, we have to factorise this expression.

For this, we ha ve break the middle term as sum of two terms such that, whose produt will be equal to the product of other two terms.

Now, expanding the middle term, we will get,

 x^2 -2x -x+2

Clearly, we have, .  2 * x^2 = (-2x) (-x)

Now, taking the common terms, we get,

= x(x-2) -1 (x-2)

=(x-2) (x-1)

Hence, the factors are (x-2) and (x-1)

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