19-05-2022
Mathematics

contestada

Solve the equation for all values of x by completing the square.
x2 + 8.0 + 15 = 0

Respuesta :

ashish4112119 ashish4112119

19-05-2022

Answer:

x= -3

x= -5

Step-by-step explanation:

x^2 + 8x + 15 = 0

find which 2 numbers when multiplied equal 15 and when added equal 8

they are 3 and 5

(x+3)(x+5)

x+3 =0

x+5=0

x= -3

x= -5

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