Question

if x = 1 + 2 +3 than value of x^2 - 2x - 4 is = ?
(a) 23
(b) 32
(c)26
(d)6
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Answer 1

Answer:

x = 1+2+3 = 6

x^2 - 2x - 4

= 6^2 - 2×6 - 4

= 36 - 12 -4

= 36 - 16

= 20

Answer 2

Answer:

$solve = \\ x = 1 + 2 + 3 = 6 \\ {x}^{2} - 2x - 4 \\ {6}^{2} - 2(6) - 4 \\ 36 - 12 - 4 \\ 36 - 16 \\ 20$

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