Question

Class 11th maths
I need an explanation pls
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Answer 1

Answer:

4x

Step-by-step explanation:

first solving

1. $\sqrt{ {x}^{2} - 4x + 4 }$
2. using the formulae a^2-2ab+b^2=(a-b)^2
3. $\sqrt{ {x}^{2} - 2(2)(x) + {2}^{2} }$
4. $\sqrt{ {(x - 2)}^{2} }$
5. cancel square and square root then
6. (x-2)

now solving

1. (x-2)+(2+3x)
2. remove brackets
3. x-2+2+3x
4. x+3x
5. 4x us the answer