Others Maths Puzzle

if x^3+3x^2+2x+5=0
then (x+1)^3 will be

Read Solution (Total 4)

x^3+3x^2+2x+5=0
x^3+3x^2+2x+x-x+1+4=0
(x^3+3x^2+3x+1)+ 4 - x=0
(x+1)^3 = x-4
12 years agoHelpfull: Yes(3) No(1)

This is puzzle of the day.
wait for tomorrow to get the answer. Already posted in today puzzle page.
12 years agoHelpfull: Yes(2) No(3)
(x+1)^3=x^3+1^+3x^2+3x
putting the valvue in equations we get
(x+1)^3=x-4 (Ans)
12 years agoHelpfull: Yes(1) No(1)
x+1)^3=x^3+1^+3x^2+3x
putting the
(x+1)^3=x-4 (Ans
12 years agoHelpfull: Yes(1) No(0)

Others Other Question

Rekha filled her beaker with 40ml of a 75% solution of hydrochloric acid. Her chemistry teacher pointed out that she should have 40 ml of a 50% hydrochloric acid solution. Jane drains x ml from her beaker and replaces with x ml of water to get the proper solution. In which of the following ranges does x lie?

A) less than 5
B) at least 5, but less than 10
C) at least 10, but less than 15
D) at least 15, but less than 20
E) 20 or more In the local wood there are a number of trees.
On these trees there are a number of birds.
The local game keeper knows that there are as many birds on each tree as there are trees in the wood. He also knows that there are between 2000 and 2100 birds in total.

How many trees are there in the wood?