Simplify. start fraction x plus 7 over x squared plus 4 x minus 21 end fraction

Question

(1 point)
Responses

Start Fraction 1 over lower x minus 3 End Fraction semicolon where lower x does not equal 3 comma negative 7
Image with alt text: Start Fraction 1 over lower x minus 3 End Fraction semicolon where lower x does not equal 3 comma negative 7

Lower x minus 3 semicolon where lower x does not equal 3
Image with alt text: Lower x minus 3 semicolon where lower x does not equal 3

Start Fraction 1 over lower x minus 7 End Fraction semicolon where lower x does not equal 7
Image with alt text: Start Fraction 1 over lower x minus 7 End Fraction semicolon where lower x does not equal 7

Answer

Answer 1

Start Fraction 1 over x minus 3 End Fraction; where x does not equal 3