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you turn everything inside the prenthises positive or negative

Q: How do you remove parentheses preceded by a positive sign and a negative sign?

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A "+" before parentheses means + 1 times everything inside, so +(a+b-c) means +a+b-c

You have to switch the sign of all terms within the parentheses. For example, -(a - b + c - d) becomes -a + b - c + d

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.

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

Its quiet simple. All you have to know is that when you use the distributive property in math, it's most likely and equation. So you basically remove the parentheses. AKA(expanding the equation)

Related questions

2-(-1)= 2+1= 3 When a parenthesis is preceded by a minus sign, remove the parentheses and the minus sign before the parentheses and change the sign of each term within the parentheses. When a parenthesis (-1) is preceded by a minus sign, -(-1) remove the parentheses ( ) and the - sign before the parentheses and change the sign of each term -1 within the parentheses +1

You change the sign of each of the terms inside the parentheses. For example:- (a - b + c)becomes:-a + b - c

A "+" before parentheses means + 1 times everything inside, so +(a+b-c) means +a+b-c

You have to switch the sign of all terms within the parentheses. For example, -(a - b + c - d) becomes -a + b - c + d

Remove the negative first and connect it back up last.

First remove the Negative cable first, and then you can remove the positive cale safely. Al

Remove the parentheses and change the sign of everything that was within them. Eg: 25 - ( 6 + 4 - 8 + 2) ( which is 25 - (4)) becomes 25 - 6 - 4 + 8 - 2 = 21

Always remove the negative (-) cable first. When connecting it back up connect the negative last.

The negative cable is removed first, then the positive. To re-connect, the positive goes first, then the negative.

It is recommended to remove the negative first. It causes less of a voltage spike if the ground is removed first.

1. Remove negative battery cable 2. remove positive battery cable 3. remove battery 4. install new battery 5.attach positive cable 6.attach negative cable

When you have a minus sign in front, to remove parentheses each of the terms inside the parentheses changes sign. Example:a - (b - c + d) = a - b + c - d