+ times a + = a plus- times a + = a minus- times a - = a plus+ times a - = a minus
Positive (Plus) times Negative (Minus) always equals a negative (minus).
plus times plus = plus minus times plus = minus plus times minus = minus minus times minus = plus so when you subtract a number it is the same as adding its negative; for example 7 - 4 = 3 7 + (1)(-4) = 3
Terms are in expressions that separate by plus or minus signs. The answer is TERMS.
An algebraic expression.
A plus times a plus is still a plus. Below is the way I remembered it: If there is not a minus sign, it is plus (positive). If there is 1 minus sign, it is minus (negative). If there are 2 minus signs, it is plus (positive).
Yes it does. A minus is the opposite of something, so the minus of a minus is a plus.