Simplify each expression. Homework Help ✎
Because both numbers are negative, you can add them. Don't forget to make the answer negative.
Subtracting a negative is the same as adding a positive. This is the same problem as 8 + 9.
Multiply the numbers. Because there is only one negative number, the final answer will be negative.
The rules for dividing negative numbers are the same as the rules for multiplying them.
Multiplying two negative numbers gives a positive number.
−2(−3) = 6 So −2(−3)(−4) = 6(−4)
Multiplying a positive and a negative makes a negative.
6(−4) = −24
Subtracting is the same as adding a negative number. Refer to part (a).
Because the exponent is outside the parentheses, think of this as (−5)(−5).
Think of this as −(5²) which is −(5)(5).
What positive number multiplied by itself is 49?