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3 votes
Twenty times the square of a non-zero number is equal to 20 times the number ! What is the number ?

2 Answers

6 votes
x-the number

20 · x² = 20 · x |divide both sides by 20

x² = x |subtract x from both sides

x² - x = 0

x(x - 1) = 0 ⇔ x =0 or x - 1 = 0

Answer: x = 0 or x = 1
User Blakharaz
by
7.8k points
3 votes
20*
x^(2) =20x
Divide both sides by 20x
x=1
User Aestrivex
by
7.8k points

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