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What must you do if you remove parentheses preceded by a plus sign?
A "+" before parentheses means + 1 times everything inside, so +(a+b-c) means +a+b-c
How will you remove parenthesis in algebraic expression preceded by a minus sign?
You have to switch the sign of all terms within the parentheses. For example, -(a - b + c - d) becomes -a + b - c + d
Remove parentheses and simplify 7X-4X-9?
As there are no parentheses then the expression stated can be simplified as follows :- 7x - 4x - 9 = 3x - 9 If the parentheses were placed (7x - 4x) - 9 then the result would be the same. If the parentheses were placed 7x - (4x - 9) = 7x - 4x + 9 = 3x + 9.
After arranging in descending order what is the first step in factoring polynomials?
Determine the GCF .If it is 1 then continue with the next step but if it is a number such as three then remove that number and divide each monomial by that number and put the polynomial within a set of parentheses with the GCF on the outside of the parentheses
Choose the expression that correctly uses the distributive property to remove the parentheses from this expression. 3(n - 7) plus 4(n plus 2)?
It is: 3n-21+4n+8 = 7n-13 simplified
