Question

(i) 2x - 4=0; x = 1, 2, -2​

Answer 1

Answer:

2x-4=0

2x=4

x=4/2

x=2

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Answer 2

Answer:

$\huge \underline \purple{\mathfrak {answer}}$

x=2

step by step explanation:

Let's try by taking x = 1

Let's try by taking x = 1$2x - 4 = 0$

$2 \times (1) - 4 = 0$

$2 - 4 = 0$

$- 2 = 0$

Let's now try by taking x = 2

$2x - 4 = 0$

$2 \times (2) - 4 = 0$

$4 - 4 = 0$

$0 = 0$

Let's now also try by taking x = -2

$2x - 4 = 0$

$2 \times ( - 2) - 4 = 0$

$- 4 - 4 = 0$

$- 8 = 0$

$\small\underline\mathcal\pink{we \: can \: get \: the \: answer \: as \: 0 \: if \: we \: take \: x \: as \:2 }$