2x2−2x is a polynomial.
True
False
For each literal used in a polynomial, its power must always be a whole number. Hence the given polynomial, which is 2x2−2x, is not a polynomial.
πx is a polynomial.
x = 2 is not a root of the equation 2x2–7x–5=0.
x+2x2=3 is a linear equation because the power of 'x' is 1.
The value of the expression (2x)2+5x for x=3 is 51.