Question

What are the solutions of 4x2 = −20x?

x = 0, x = 5
x = 0, x = −5
x = 4, x = 5
x = 4, x = −5

Answer 1

\(4x^2=-20x\)
\(4x^2+20x=0\)
What is common to both \(4x^2\) and \(20x\)?

Answer 2

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