The value of given expression ab² - 4b is 84 .
- A expression is a statement containing at least two numbers/variables and at least one mathematical operation. An expression is a combination of terms combined by mathematical operations such as subtraction, addition, multiplication, and division. The terms that appear in the formula are:
- Constant: A constant is a fixed number.
- Variables: Variables are symbols that do not have fixed values.
- Term: A term can be a single constant, a single variable, or a combination of variables and constants combined with multiplication or division.
- Coefficient: A coefficient is a number that is multiplied by a variable in an expression.
We have given an expression ab² - 4b .
Putting a = 3 and b = 6 in given expression , we get
[tex]ab^2 - 4b=3(6)^2-4(6)\\ab^2 - 4b=3\times36-24\\ab^2 - 4b=108-24\\ab^2 - 4b=84[/tex]
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