Question

What are the roots of the equation? 3x^2+15x=0

Answer 1

Answer:

The solution is the result of 3x=0

and x−5=0 .x=0,5

Step-by-step explanation:

3x2−15x=0

Factor 3x

out of 3x2−15x

.

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3x(x−5)=0

Divide each term by 3

and simplify.

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x=0

Set x−5

equal to 0 and solve for x

.

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x=5

The solution is the result of 3x=0

and x−5=0

.

x=0,5

Answer 2

Answer:

x=0,x=-5

Step-by-step explanation:

Solve with the quadratic formula:

where

a=3,b=15,c=0

x=-15 + (sqrt 15^2-4*3*0)/2*3 :0

x=-15 - (sqrt 15^2-4*3*0)/2*3    :5

so the answer is x=0, x=-5

hope this helps!