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maisieisdabomb23
03.08.2021 •
Mathematics
Will Mark Brainlest Help Please Please
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Ответ:
Now constructing equations
![\\ \sf\longmapsto a+b+d=2d-1\dots(4)](/tpl/images/1403/6449/280b3.png)
Adding eq(1) and (2)![\\ \bf\longmapsto a=2](/tpl/images/1403/6449/c92ed.png)
Put the value in eq(2)![\\ \bf\longmapsto b=-3](/tpl/images/1403/6449/34d89.png)
put the values in eq(4)![\\ \bf\longmapsto d=0](/tpl/images/1403/6449/d6813.png)
Put the value in eq(3)Ответ:
The roots are -2,-4 and 4
B, C and E are correct.
Step-by-step explanation:
Given:![x^3+2x^2-16x-32](/tpl/images/0235/3621/0098b.png)
We are given a cubic polynomial. We have to find the roots of the polynomial. Roots are the x-intercept of polynomial.
First we will set the polynomial to 0 and solve for x
Now, we will set each factor to zero and solve for x
Hence, The roots are -2,-4 and 4