Question

Find the product of (x+2) (x-1).

Answer 1

Step-by-step explanation:

We must ensure that each term in the second bracket is multiplied by each term in the first bracket.

This can be done as follows.

(

x

2

+

x

−

1

)

(

x

+

1

)

=

x

2

(

x

+

1

)

+

x

(

x

+

1

)

−

1

(

x

+

1

)

distribute each set of brackets.

=

x

3

+

x

2

+

x

2

+

x

−

x

−

1

and now collect like terms

⇒

x

3

+

x

2

+

x

2

+

x

−

x

−

1

=

x

3

+

2

x

2

−

1

=

x

3

+

2

x

2

−

1

in standard form

Answer 2

Step-by-step explanation:

(x+2) (x-1)

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

x^2 - x + 2x - 2

HOPE IT HELPS YOU!!