What are the solutions to the equation 3r^2=12r ?

The solutions to the equation 3r^2=12r are r=0,r=4

Find the zeros of 3r^2=12r

The zeros of 3r^2=12r are r=0,r=4

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3 r^{2} = 12 r

r = 0, r = 4

Solution steps

3 r^{2} = 12 r

Move

12 r

to the left side

3 r^{2} - 12 r = 0

Factor

3 r^{2} - 12 r : 3 r (r - 4)

3 r (r - 4) = 0

Using the Zero Factor Principle:

ab = 0

then

a = 0

b = 0

r = 0 or r - 4 = 0

Solve

r - 4 = 0 : r = 4

The solutions to the quadratic equation are:

r = 0, r = 4

n (n + 1) = 182

y, 3 x^{2} + 2 x y + y^{2} = 1

x^{2} = 13 x - 44

5 x^{2} + 23 x = 2 x - 4

16 x^{2} + 3 = 8 x

What are the solutions to the equation 3r^2=12r ?
The solutions to the equation 3r^2=12r are r=0,r=4
Find the zeros of 3r^2=12r
The zeros of 3r^2=12r are r=0,r=4