It doesn't factor neatly. Applying the quadratic formula, we find two imaginary solutions: 7 plus or minus i times the square root of 47
b = 7 + 6.855654600401044i
b = 7 - 6.855654600401044i
where i is the square root of -1
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The answer is 1152. Simply add up all of the numbers arithmetically like you would for two plus two. To make sure the answer is correct, check your work using a calculator.
144 9+7 = 16 and 9*16 = 144
96
-3b=96+b -4b=96 b=-24
If: 8m = 32m+96 Then: m = -4