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AveGali [126]
3 years ago
5

Simplify (3x2 2x 7x3) (10x2 6x 9)

Mathematics
1 answer:
charle [14.2K]3 years ago
6 0
For the answer to the question above, 
<span>(3•(x2))+2x)+(7•(x3)))+(((2•5x2)+6x)+9)
</span><span>(3•(x2))+2x)+7x3)+(10x2+6x+9)
</span><span> ((3x2 + 2x) + 7x3) + (10x2 + 6x + 9)
</span>7x3+13x2+8x+9<span>  is not a perfect cube.
</span>
<span>split the expression at hand into groups, each group having two terms 
</span>
Group 1:  8x+9 
Group 2:  7x3+13x2<span> 
</span>
then p<span>ull out from each group separately.

</span>Group 1:   (8x+9) • (1)
Group 2: <span>  (7x+13) • (x2)
</span>
Find roots (zeroes) of :       F(x) = 7x3+13x2+8x+9
Polynomial Roots Calculator is a set of methods aimed at finding values of x  for which <span>  F(x)=0  
</span>
to make this short, 
In this case, the Leading Coefficient is  7  and the Trailing Constant is <span> 9. 

</span>

<span>The factors of the Leading Coefficient: </span><span> 1,7 
</span><span>the factors of the Trailing Constant: </span><span> 1,3 ,9 

So the answer is </span>7x3 + 13x2<span> + 8x + 9</span>
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