11 of 1211 of 12 Items Question Which is equivalent to 4 xx+7−x−7x (1 point) Responses 3x2+49x2+7 the fraction with numerator 3 x squared plus 49 and denominator x squared plus 7 3x2+49x(x+7) the fraction with numerator 3 x squared plus 49 and denominator x times open paren x plus 7 close paren 3x2+49x(x−7) the fraction with numerator 3 x squared plus 49 and denominator x times open paren x minus 7 close paren 3x2−49x(x−7)

The correct response is:

3x^2+49x(x-7) the fraction with numerator 3 x squared plus 49 and denominator x times open paren x minus 7 close paren