What are the soultion (s) to the quadratic equation 40 - x^2=0

Question

Mathematics

Kyla Hutchinson

24 June, 02:57

What are the soultion (s) to the quadratic equation 40 - x^2=0

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Answers (1)

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Elle Liu · Answer 1

Step-by-step explanation:

40 - x^2 = 0 ... subtract 40

-x^2 = - 40 ... multiply both sides by - 1

x^2 = 40

x = ( + - ) sqrt 40

x = ( + - ) sqrt 4 * 10

x = ( + - ) 2 sqrt 10

x = 2 sqrt 10, and x = - 2 sqrt 10