Engineering Mechanics - General Principles - Discussion

Discussion Forum : General Principles - General Questions (Q.No. 9)
9.
Solve the following equation for the two roots of x:   — x2 + 5x = — 6
x = 2,   3
x = –1,   –5
x = –1,   6
x = –0.742,   6.74
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Amasidda said:   1 decade ago
Answer is "c" x^2-5x+6=0.

x(x-2) -3 (x-2) =0.

So x=2, 3 is the right answer.

Devesh said:   1 decade ago
-x*x+5x+6=0
-x*x-x+6x+6=0
-x(x+1)+6(x+1)=0
(x+1)(-x+6)=0
then x,x= -1&6

M.prakash said:   1 decade ago
Solve and explain?


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