SOLUTION: solve each equation 36x^3-48x-12x^2=0 please help thank you
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Question 60918
This question is from textbook
:
solve each equation
36x^3-48x-12x^2=0
please help
thank you
This question is from textbook
Answer by
checkley71(8403)
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36X^3-12X^2-48X=0 FACTOR OUT 12X FROM EACH TERM THEN WE HAVE
12X(3X^2-X-4)=0
12X(3X-4)(X+1)=0
12X=0
X=0/12
X=0 SOLUTION
3X-4=0
3X=4
X=4/3 SOLUTION
X+1=0
X=-1 SOLUTION