Question

find tha factors :2x2+x-1​

Answer 1

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Answer 2

Solution

(

2

−

1

)

(

+

1

Rewrite in factored form

2

(

+

1

)

−

1

(

+

1

)

2x(x+1)-1(x+1)

2x(x+1)−1(x+1)

(

2

−

1

)

(

+

1

)Common factor from the two pairs2

2

+

2

−

−

1

2x^{2}+2x-x-1

2x2+2x−x−1

2

(

+

1

)

−

1

(

+

1

)

Use the sum-product pattern