Question

Find the roots of the quadratic equation x2+5root5x-70

Answer 1

Answer:

x² + 5√5x - 70 = 0

x² + 7√5x - 2√5x - 70 = 0

x ( x + 7√5) - 2√5 ( x + 7√5) = 0

( x + 7√5) ( x - 2√5 ) = 0

( x + 7√5) = 0,

( x - 2√5 ) = 0

x = -7√5, 2√5