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

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16-10-2020
Mathematics

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

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shwetakumari950 shwetakumari950 · Answer 1 · 2020-10-16T08:18:13+02:00

shwetakumari950 shwetakumari950

16-10-2020

Answer:

4X^2=20X

4X^2-20X=0

4X(X-5)=0

4X=0

X=0

X-5=0

X=5 SOLUTION

PROOF

4*5^2=20*5

4*25=100

100=100

Step-by-step explanation:

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wolf1728 wolf1728 · Answer 2 · 2020-10-16T08:25:43+02:00

wolf1728 wolf1728

16-10-2020

Answer:

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:

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