canyonm14 canyonm14

21-10-2019
Mathematics

contestada

complete the quare to solve the equation below x^2-10x-4=10

Respuesta :

MargusBarnes MargusBarnes

21-10-2019

Answer:

x1= -(square root of 39) + 5

x2=(square root of 39) + 5

Step-by-step explanation:

x^2-10x=10+4

x^2-10x+(10/2)^2=14+(10/2)^2

(x-10/2)^2=14+25

(x-5)^2=39

x1= - (square root of 39) + 5

x2= (square root of 39) + 5

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