Question

please tell please it is very important ​

Answer 1

Step-by-step explanation:

A=x-3=0

x=0+3

x=3

B=3x+9=0

3x=0-9

3x=-9

x=-9/3=-3

x=-3

Option (b) is correct

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Answer 2

ANSWER

$Option \: B) \: is \: correct$

$explanation$

$3 X + 9 = 0 \: \: \: \: given$

$put \: the \: X= -3 \: in \: it$

$3 \times ( - 3) + 9 = 0$

$- 9 + 9 = 0$

$0 = 0$

Therefore the X = - 3 satisfied the equation

$3 X + 9 = 0$

$Therefore$

,

$X = -3 \\ \\ \: is \: solution \: \\ \\ of \: equation$

$3 X + 9 = 0$