SOLUTION: 5) solve 4x+x(x-1)=0
find the x-intercepts of f(x)=4x+x(x-1)
What are the solutions x=……….
What are the x-intercepts
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Question 131109: 5) solve 4x+x(x-1)=0
find the x-intercepts of f(x)=4x+x(x-1)
What are the solutions x=……….
What are the x-intercepts
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation
Distribute
Combine like terms
Factor the left side
Now set each factor equal to zero:
or
or Now solve for x in each case
So our solutions are
or
which means that the x-intercepts are
(-3,0) and (0,0)
Notice if we graph we can see that the roots are and . So this visually verifies our answer.
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