Question

Simplify: (x+1) (x+4) ( x+6) using identity​

Answer 1

Step-by-step explanation:

Simplify the following:

(i)(x+6)(x+4)(x−2)

(ii)(x−6)(x−4)(x+2)

(iii)(x+6)(x−4)(x−2)

(iv)(x+6)(x−4)(x−2)

Easy

Answer

(i)(X+6)(X+4)(X-2)

on simplifying(x+6)(x

2

+2x−8)

⇒(x

3

+2x

2

−8x+6x

2

+12x−48)

⇒(x

3

+8x

2

+4x−48)

(ii)(x-6)(x-4)(x+2)

on simplifying(x−6)(x

2

−2x−8)

⇒x

3

−2x

2

−8x−6x

2

+12x+48

⇒x

3

−8x

2

+4x+48

(iii)(x+6)(x-4)(x-2)

on simplifying (x+6)(x

2

−6x+8)

⇒x

3

−6x

2

+8x+6x

2

−36+48

⇒x

3

−28+48.

(iv)(x-6)(x+4)(x-2)

on simplifying

(x-6)(x

2

+2x−8)

⇒(x−6)(x

2

2x−8)

⇒x

3

+2x

2

−8x−6x

2

−12x−48

⇒x

3

−4x

2

−20x+48.

Answer 2

Answer:

(+4)(+8)+1(+4)(+8)