Question

5-(2+x)(2-x)при x=-3

Answer 1

Решение будет так:
5-(2-3)(2+3)=10

Answer 2

To evaluate the expression 5 - (2 + x)(2 - x) when x = -3, we substitute -3 for x in the expression and simplify:

5 - (2 + (-3))(2 - (-3))

First, let's simplify the inner parentheses:

5 - (2 - 3)(2 + 3) 5 - (-1)(5)

Next, multiply the terms inside the parentheses:

5 - (-1) * 5 5 - (-5)

Now, apply the subtraction:

5 + 5

Finally, perform the addition:

10

Therefore, when x = -3, the expression 5 - (2 + x)(2 - x) simplifies to 10.