Which is equivalent to 4xx−7−x+7x

Question

?(1 point)
Responses

3(x−7)x(x−7)
the fraction with numerator 3 times open paren x minus 7 close paren and denominator x times open paren x minus 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

3(x+7)x(x−7)
the fraction with numerator 3 times open paren x plus 7 close paren and denominator x times open paren x minus 7 close paren

2x2+49x(x−7)

Answer 1

2x2+49x(x−7)