Question

2. Suppose that four times the square of a number equals 20 times that number. What is then mber?
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Answer 1

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