Rewrite each expression so that each term is in the form kkxxnn, where kk is a real number, xx is a positive real number,
and nn is a rational number.
x^(1/2) {2x^(2) − 4/x}

Can any one me with the answers to these questions asap?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.