Question

the value of the expression
5x to power 2 - 2 when x=3 is​

Answer 1

To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.

Answer 2

Answer:

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