3 years ago

What are the solution(s) to the quadratic equation 40 - x2 = 0?

Mathematics

1 answer:

kakasveta [241]3 years ago

4 0

Answer:

±2sqrt(10)

Step-by-step explanation:

40 - x^2 = 0

Add x^2 to each side

40 -x^2 + x^2 = x^2

40 =x^2

Take the square root of each side

±sqrt(40) =sqrt(x^2)

±sqrt(4)sqrt(10) =x

±2sqrt(10) =x

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