What is -6+9(8-2b) simplified

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?