What is the value of `(2x^2+4x+8)`-(2x^2-4x+7)`?

What is the value of f(-2) if f(x) = (x^2+4x-8)/(x-2) ?

If 2x^2-7x+5=0 , then what is the value of x^2+25/(4x^2) ? यदि 2x^2-7x+5=0 , तो x^2+25/(4x^2) का मान क्या होगा?

If x be real, prove that the value of (2x^(2)-2x+4)/(x^(2)-4x+3) cannot lie between -7 and 1.

If x be real , show that the value of (2x^2-2x+4)/(x^2-4x+3) cannot lie between (-7) and 1.

if x be real, show that the value of (2x^2-2x+4)/(x^2-4x+3) cannot lie between(-7) and 1.

fx be real,prove that the value of (2x^(2)-2x+4)/(x^(2)-4x+3) cannot lie between -7 and 1

If x is real, the minimum value of ((2x^(2)+4x+5)/(2x^(2)+4x+7)) is