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Verified Answer :

first you distribute the 3
(3x-12) (x+5)=0
then you set each equation equal to zero
3x-12=0 & x+5=0
then you solve for x
x =4, -5

Answer:

-5, 4

Step-by-step explanation:

the solutions to the equation \(3(x - 4)(x + 5) = 0\)

To solve for x we set each factor =0 and solve for x

\(3(x-4)=0\)

divide each term by 3

\((x-4)=0\)

Add 4 on both sides

\(x=4\)

\(x+5=0\)

Subtract 5 on both sides

\(x=-5\)

So x values are -5 and 4