(a) Find the value of `x` if `x^2=64`

Find the value of x if x^2+5x+6=0

Find value of x if x^2+5|x|+6=0

Find the value of 3x^2-5x+8 for x=3

Find the value of x in 3x = 2x + 18

(i) If 2x + 1 is a factor of 2x^2+ ax- 3, find the value of a. (ii) Find the value of k, if 3x -4 is a factor of expression 3x^2+ 2x -k.

(x+2)/x=4/2 find the value of x

A function is defined as f(x)=x^2-3xdot Find the value of f(2)dot Find the value of x for which f(x)=4.

If x=2+\ sqrt(3), find the value of x+1/x

Find the value of x if A= |(3x, 2), (5x,1)| if |A|= 5

If x=1-sqrt(2), find the value of (x-1/x)^3