Answer:
2.3 Find roots (zeroes) of : F(x) = x3-2x2-6x-8
Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F(x)=0
Step-by-step explanation:
step 1
- Equation at the end of step
- (((x3) - 2x2) - 6x) - 8
step 2
- Checking for a perfect cube
- 2.1 x3-2x2-6x-8 is not a perfect cube
- Trying to factor by pulling out :
- 2.2 Factoring: x3-2x2-6x-8
Thoughtfully split the expression at hand into groups, each group having two terms :
Group 1: -6x-8
Group 2: -2x2+x3
Pull out from each group separately :
Group 1: (3x+4) • (-2)
Group 2: (x-2) • (x2)
Bad news !! Factoring by pulling out fails :
The groups have no common factor and can not be added up to form a multiplication.
- Polynomial Roots Calculator :
- 2.3 Find roots (zeroes) of : F(x) = x3-2x2-6x-8
- Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F(x)=0
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