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Mathematics 10 Online
OpenStudy (anonymous):

Which of the following are a possible solution to the (3x-1)(5x+20)=0? A. 1/3, 4 B. 1/3, -4 C. 1, 20 D. -1, -20

myininaya (myininaya):

set both factors =0

myininaya (myininaya):

\[3x-1=0 \text{ or } 5x+20=0\]

myininaya (myininaya):

solve both of these for x

OpenStudy (anonymous):

Solutions are 1/3 and -4, you can check by plugging them into the equation to make it equal 0.

OpenStudy (anonymous):

B!!!!!!!!!!!!!!!!

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