X=5, x+6, 5+6=11
35
(x+5)(x+6) equals x^2 +11x+30
59
144
144
49 plus 56 plus 112 equals 217.
5
No. It equals five (5). But 2 times 3 (2 x 3) equals six (6).
This equation is not possible. Two plus three plus four plus five does not equal 287. The system has no solution.
No.
6+6 equals 12. easy