Question

middle term split x^2-2√5x-15​

Answer 1

Answer:

x^2 - 2 sqrt(5) sqrt(x) - 15

Step-by-step explanation:

Answer 2

${x}^{2} - 2 \sqrt{5} x - 15 \\ = {x}^{2} + \sqrt{5} x - 3\sqrt{5} x - 15 \\ = x(x + \sqrt{5} ) - 3\sqrt{5} (x + \sqrt{5} ) \\ = (x + \sqrt{5} )(x - 3 \sqrt{5} )$

HOPE THIS COULD HELP!!!