The value of 3 (2x)-7-x square for the value x=-2 will be -23.
Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both. Addition, subtraction, multiplication, and division are all possible mathematical operations.
The value of 3 (2x)-7-x square for the value x=-2 will be:
3(2x)-7-x² for the value x=-2
= 3(2 × -2) - 7 -(-2)²
= -12 - 7 - 4
= -23
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