What is the factored form of the expression? r2 – 49 (1 point) Responses (r – 7)(r + 7) ( r – 7)( r + 7) (r + 7)(r + 7) ( r + 7)( r + 7) (r – 7)(r – 7) ( r – 7)( r – 7) (r – 7)(r + 9)
1 answer
The factored form of the expression r^2 - 49 is (r - 7)(r + 7).