SOLUTION: f(x)=x^3+4x^2-5; 1
One zero is given. Find all others
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Question 1000692: f(x)=x^3+4x^2-5; 1
One zero is given. Find all others
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
; if means is a factor of
so, factor
=> is a factor and is a zero
now use quadratic formula to find other two zeros:
if , others zeros are:
solutions:
=>
or
=>
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