IF x is real, find the least value of `2x^2-3x+5` and the value of x for which the expression is minimum.

If x is real, find the minimum value of x^(2)-8x+ 17

If x is real then find the minimum value of x^2-6x+10

If x is real , then find the maximum value of 3-20x-25x^(2) and find for which value of x the expression maximum .

For real x,the least value of (x-2)(x-3)+1 is___

Find the greatest value of 3+5x- 2x^(2) for all real values of x.

7.Find the greatest value of 3+5x-2x^(2) for all real values of x .