To calculate: The solution set of the polynomial equation \frac{n}{

Minerva Kline

Minerva Kline

Answered question

2021-11-16

To calculate: The solution set of the polynomial equation n3n+2+1=4n2.

Answer & Explanation

Greg Snyder

Greg Snyder

Beginner2021-11-17Added 11 answers

Given Information:
The provided polynomial equation is n3n+2+1=4n2.
Formula Used:
The solution of quadratic equation ax2+bx+c=0 is,
x=b±b24ac2a Calculation:
Simplify the equation n3n+2+1=4n2; by multiplying (3n+2)(n2) on both the sides,
(3n+2)(n2)[n3n+2+1]=(3n+2)(n2)[4n2]
n(n2)+(3n+2)(n2)=(3n+2)(4)
n22n+3n26n+2n4=12n+8
4n218n12=0
This is a polynomial equation with one side equal to zero.
4n218n12=0
Solve the equation 4n218n12=0,
n=(18)±(18)24(4)(12)2(4)
n=18±324+1928
n=18±21298
n=9±1294
Check at n=9+1294
PSK9+12943(9+1294)+2+149+12942
5.0815.26+145.022
0.33+11.32
1.33=1.32
The left side value is equal to the right-side value. Thus, the value n=9+1294 is verified.
Check at n=

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