renaer1 renaer1

23-04-2020
Mathematics

contestada

2^2−16x+22=0

A:x={4, −4}

B:x={4+5√,4−5√}

C:x={5√, −5√}

D:x={9,−9}

Respuesta :

jeonnamjoon jeonnamjoon

23-04-2020

Answer:

Step-by-step explanation:

x

2

=36x, squared, equals, 36

(x-2)^2=49(x−2)

2

=49left parenthesis, x, minus, 2, right parenthesis, squared, equals, 49 [Why is this a quadratic equation?]

x^2

x, squared(x-2)^2

x^2

x, squared

2x^2+3=1312x

2

+3=131

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