1. -6(72)-7(9-5) DIVIDED BY -7(4-7)divided by-3
2. 3ab/9 divided by b/54
3. -x2 divided by 2y-z for x=-5, y=2, z=-6
4. 8xy2+2x2y-9xy2+2-3x2y
likewise you can solve much complex math problems from online help you get online help with math all time.
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you solve the problem in your head with no help from calculators or number lines ect..
Yes, can you?
Parentheses is when you are doing an equation, and you solve the problem.
A complex math problem is one that is hard to solve.
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