exam Maths Puzzle Numerical Ability

I need serious help

8(5-y)=64

-3x=-5(x-8)

4(m-4)=3(m+5)

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exam Other Question

Sir/Madam,
Could you please help me in solving the following problem:

4x^2+10x+25=(4x^2+20x+25) - how do I get the answer as (4x^2+20x+25).

Regards and thank you. y=square root of x-2 fill in the following table for x=0,1,2,3,4
Round to three decimal places where necessary.
X Y
0
1
2
3
4