Simplify: (x+1) (x+4) ( x+6) using identity
Answers
Answered by
0
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.
Answered by
0
Answer:
(+4)(+8)+1(+4)(+8)
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