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Solve Equation: 5x^2 – 45 = 0











































Solve by factoring, using the quadratic formula, completing the square, using the Indian Method, or solve by taking the square root.


5x^2 – 45 = 0

Comments for Solve Equation: 5x^2 – 45 = 0

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Mar 19, 2013
solve equation
by: Staff


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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Mar 19, 2013
solve equation
by: Staff


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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}








Thanks for writing.

Staff
www.solving-math-problems.com


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