ladonte0384 ladonte0384

17-03-2021
Mathematics

contestada

What are the solution(s) to the quadratic equation 40 - x2 = 0?
x = +2/10
x = +4/10
O x= +2/5
x = +4,5

Respuesta :

abidemiokin abidemiokin

22-03-2021

Answer:

±2√10

Step-by-step explanation:

Given the equation 40 - x^2 = 0

Add x^2 to both sides

40 - x^2 + x^2 = 0+ x^2

40 = x^2

x^2 = 40

x = ±√40

x = ±√4 * √10

x = ±2√10

Hence the value of x is ±2√10

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