Question

Write the roots of the equation 5x²-45=0
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Answer 1

Answer:

5x^2-45=0

5x^2=45

x^2=9

x=3

Answer 2

Answer

Part I

Solve Equation: 5x² – 45 = 0

add 45 to each side of the equation

Add 45 to each side of the equation

divide each side of the equation by 5

Divide each side of the equation by 5

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Part II

take the square root of each side of the equation

Take the square root of each side of the equation

the final answer is:

Final Answer: x is an element of the set {-3, 3}