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horsena [70]
3 years ago
5

What is the steps to get x^2-5x^3

Mathematics
1 answer:
Harman [31]3 years ago
7 0
The way to get to x^2-5x^3 is <span> 1.1 </span>  <span> x3-x2-5x-3</span>  is not a perfect cube Trying to factor by pulling out :

<span> 1.2 </span>     Factoring: <span> x3-x2-5x-3</span> 

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1:  -5x-3 
Group 2: <span> x3-x2</span> 

Pull out from each group separately :

Group 1:   (5x+3) • (-1)
Group 2: <span>  (x-1) • (x2)</span>

<span>Bad news !! Factoring by pulling out fails : 

</span>The groups have no common factor and can not be added up to form a multiplication.

Polynomial Roots Calculator :

<span> 1.3 </span>   Find roots (zeroes) of :      <span> F(x) = x3-x2-5x-3</span>
Polynomial Roots Calculator is a set of methods aimed at finding values of  x  for which   F(x)=0  

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers  x  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  1  and the Trailing Constant is <span> -3. 

 </span>The factor(s) are: 

of the Leading Coefficient : <span> 1
 </span>of the Trailing Constant : <span> 1 ,3 </span>

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