If α and β are the roots of equation $$ {x^2-2x+4=0}$$, then what is the equation whose roots are ${α^3}\over{β^2}$$ and $${β^3}\over{α^2}$$.

If α and β are the roots of the equation x² + x - 1 = 0, then what is the equation whose roots are and α⁵ and β⁵ ? 

If 2x + 3y = 87 and 3x – 3y = 48, what is the value of x?

The factors of  $$ x^2-2x-15 $$ are: 

If $$ {4x^2}={25}^2-{15}^2 $$, then find the value of x.

If 3x+0.04x=0.608, find x. 

Solve: 0.05 × 0.4 

If a + b = -2 and a - b = 12, find b.