Question

(7p+3)(7p-3)please помогите

Answer 1

(7p+3) (7p-3) =(7p) ^2-3^2=49p^2-9

Answer 2

Sure, I'd be happy to help you with this expression!

The expression you provided is a binomial multiplication, and you can use the FOIL method to simplify it. FOIL stands for First, Outer, Inner, Last. Let's apply it to the expression (7p+3)(7p-3):

1. First: Multiply the first terms of each binomial. (7p) * (7p) = 49p^2

2. Outer: Multiply the outer terms of each binomial. (7p) * (-3) = -21p

3. Inner: Multiply the inner terms of each binomial. (3) * (7p) = 21p

4. Last: Multiply the last terms of each binomial. (3) * (-3) = -9

Now, combine the results from steps 1 to 4:

(7p+3)(7p-3) = 49p^2 - 21p + 21p - 9

Notice that the -21p and +21p terms cancel each other out:

(7p+3)(7p-3) = 49p^2 - 9

So, the simplified form of the expression (7p+3)(7p-3) is 49p^2 - 9.