Question

4
f(x)= x - 7x² + 8x²+28x - 48
x
find upper and lower bouard​

Answer 1

Answer:

See steps

Step by Step Solution

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Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

0-(x^4-7*x^3+8*x^2+28*x-48)=0

Step by step solution :

STEP

1

:

Equation at the end of step 1

0-(((((x4)-(7•(x3)))+23x2)+28x)-48) = 0

STEP

2

:

Equation at the end of step

2

:

0-(((((x4)-7x3)+23x2)+28x)-48) = 0

STEP

3

:

STEP

4

:

Pulling out like terms

4.1 Pull out like factors :

-x4 + 7x3 - 8x2 - 28x + 48 =

-1 • (x4 - 7x3 + 8x2 + 28x - 48)

Polynomial Roots Calculator :

4.2 Find roots (zeroes) of : F(x) = x4 - 7x3 + 8x2 + 28x - 48

Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F(x)=0