155
The "degree" is the highest power - in this case, the 3 in 4x3 (4 times to the third power).
7X^2 -56X + 112 = 0 divide through by 7 X^2 - 8X + 16 = 0 factor (X-4)(X-4) X = 4
4+1=5. Plus 4 equals 9. Plus 77685769844446473 equals 77685769844446482. Plus 3 equals 77685769844446485. Plus 8 equals 77685769844446493. Plus 1 equals 77685769844446494. Plus 9870998342523322424 equals 1064785604097768918. Plus 4 equals 1064785604097768922.
It can't be factored because its discriminant is less than zero
1 plus 1 plus 1 plus 1 equals 1 times 4. 1 times 4 equals 4. 4 minus 4 equals 0. 0
4 plus 3 equals 7
-4 plus 10 equals 6.
8x6 plus 4 equals 52.
3 plus 1 plus 4 equals 8