Question

I need help.

this is applying rules for exponent and radicals

Answer 1

-6/√(8x) ×√(8x)/√(8x) = -6√(8x)/8x
= -3√(8)x/4x
= -3√(8)√(x)/4x
= -6√(2)√(x)/4x
= -3√(2)√(x)/2x
= -3√(2x)/2x