Q: What is the answer to 2 brackets 2 star 2 brackets plus 2 minus 2 bracket slash 2?

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7C MINUS bracket open c plus 2 bracket close equals 7c minus c minus 2 equals 6c minus 2

(a + 5) (a - 5) = a2 - 25

a negative minus a negative all depends on tha number ur substraction...ex1:(-5)-(-2)=-3ex2: (-2)-(-5)=3I would also add that subtracting two negatives makes a positive. As in 2 - (2 - 1).this is the same as 2 - (1). You can derive this by multiplying everything in the brackets by -1 (thus getting rid of the minus before the brackets). Alternatively you say that the bracket part (2 - 1) adds up to 1 and you get the same answer 2 - (1). Another way is just to use the rule that 2 minuses are a plus so the "-" sign before the bracket converts the bracket part from (2 - 1) into (-2 + 1), so 2 - (2 - 1) is still the same as 2 - (1).

(x-2)*(2x2+5x-3) Multiply out the brackets term by term taking care with the minus terms:- 2x3-4x2+5x2-10x-3x+6 Collect like terms:- Answer: 2x3+x2-13x+6

-x-6-(-11x) + (-1) Remove the brackets: -x-6+11x-1 Collect and simplify like terms: 10x-7 A - - is equal to a +

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7C MINUS bracket open c plus 2 bracket close equals 7c minus c minus 2 equals 6c minus 2

(a + 5) (a - 5) = a2 - 25

well, there is a number symbol, money symbol, percent symbol, and symbol, star symbol and these are just some of them...

Please resubmit your question spelling out the symbols as "plus", "minus", "times", "divided by", "equals", "squared", "cubed" etc. Please use "brackets" (or parentheses) because it is impossible to work out whether "x plus y squared" means x + y^2 or (x + y)^2. You will need to use a code, for example b1 (open bracket) and b2 (close bracket), because the browser will reject brackets!Here, it is not clear whether you mean 2^a + 3 or 2^(a+3)

he established the use of of plus,minus signs,brackets,and braces.

7-2/7-4 = 5/3

Yes, both brackets will contain a minus sign. (x -2)(x-6)

Generally it is additions and subtractions on a left to right basis. So if a minus comes before a plus, the minus is done first and the plus last. If a plus comes before a minus, then the plus is done first and then the minus. It can be more complex than that, when you bring other elements into calculations. Things inside brackets are all done before anything outside brackets. In that case, were there pluses and minuses inside brackets and only multiplications outside, then the pluses and minuses would be done before the multiplications. BOMDAS is a way of remembering the order to do things in: Brackets, power Of, Multiplication, Division, Addition, Subtraction. There are other variations of this: Parantheses, Exponentiation, Division, Multiplication, Addition, Subtraction.

2(2*4-5)+6 = 12

Set up two brackets. Since 7 only has two factors, put 7x in one bracket and x in the other. The two other numbers will be a factor pair of 16 (16,1)(8,2)(4,4). Since the signs are minus, one of the brackets will be plus and one will be minus. Now you just have to put it together in a way that fits. We used to call that trial and error, now it's called guess and check. (7x + 4)(x - 4)

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one will contain a minus sign and the other will contain a plus sign