How many real solutions does the equation `x^7+14 x^5+16 x^3+30 x-560=0` have?

How many solutions does the equation (8^x + 27^x)/(12^x +18^x) = 7/6 have? (A) Exactly one (B) Exactly two (C) Finitely many (D) Infinitely many

Find the real roots of the equation . x^2+5|x|+6=0

Find how many roots of the equations x^4+2x^2-8x+3=0.

How many roots of the equation 3x^4+6x^3+x^2+6x+3=0 are real ?

The number of real solution of the equation x^(2)-3|x|+2=0 is

Determine the number of positive and negative roots of the equation x^9 - 5x^8 - 14 x^7 =0 .

Solve the equation : 3x^(4)-16x^(3)+26x^(2)-16x+3=0

Find the number of real solution of the equation (cos x)^(5)+(sin x)^(3)=1 in the interval [0, 2pi]

Using differentiation method check how many roots of the equation x^3-x^2+x-2=0 are real?

Find the number of real solutions to the equation log_(0.5)x=|x| .