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How do you expand 5b plus 5c in algebra?
It IS expanded.
What does parentheses or brackets stand for in algebra?
the brackets mean "do this first". for example, in: x(4+2) you would add 4+2 before multiplying it By x. you can also add brackets into brackets which do the same thing. it is not compulsory, but you may change the brackets for how far in they are. i.e {[(1)]}.
What are brackets in algebra?
There are both "square" and "curly" brackets used in algebra. They are [] and {} respectively in type. Usually square brackets are used to group smaller numbers of terms than curly brackets, and even square brackets are used only to group quantities some of which are in parentheses. Thus a suitable use example would be {[(a - b)(c + d) - a2]/[(fg + hj)/[k(l/m)]}. Larger square brackets are also used to set off numbers in matrix format.
What is the difference in algebra if the negative sign is inside or outside the brackets?
If it's inside the brackets it means that it belongs to that specific term, but if it was outside the brackets, it means that every term inside the brackets goes out with opossite sign. For example: [ -5x + 6y ] = -5x + 6y , the negative is only for 5x, but if you had - [ -5x + 6y] = 5x - 6y , every term inside the bracket goes out with opossite sign.
How do you expand 3(x plus 4)?
3(x+4) is the same as 3x+12 when the brackets are expanded out
