Answer:
Step-by-step explanation:
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Solve the given equation is x² + 20 = 9x using factoring.
Solving the quadratic equations using by factoring method.
Transform the equation into a quadratic equation in the form of ax² + bx + c = 0.
Apply the zero product properly.
Solve each resulting equation.
Check the values of the variable obtained by substituting each in original equation x² + 18 = 9x.
For x = 4
For x = 6.
∴ Therefore, the solution of set is {4, 5} to the given equation.
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Answers & Comments
Answer:
Hope this Helps!!
Step-by-step explanation:
#LetsLearn
#CarryOnLearning
Problem:
Solve the given equation is x² + 20 = 9x using factoring.
Solution:
Solving the quadratic equations using by factoring method.
Transform the equation into a quadratic equation in the form of ax² + bx + c = 0.
Apply the zero product properly.
Solve each resulting equation.
Checking:
Check the values of the variable obtained by substituting each in original equation x² + 18 = 9x.
For x = 4
For x = 6.
Answer:
∴ Therefore, the solution of set is {4, 5} to the given equation.
#CarryOnLearning