Suppose that four times the square of a number equals 20x that number. what is the number

Number = x

4x^2 = 20x

4 x^2   -20x = 0

Dividing both sides by 4

x^2 -5x =0

(x -5) (x +0) = 0

x = 5

and x = 0

Step-by-step explanation:

i don't see nikolas work.

step-by-step explanation:

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answer: d.) the total number of protons and neutrons is 15

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