When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)
If b = -1 and z = -1, what is the value of b(b - z)?
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| 15 | |
| 150 | |
| 0 |