3 years ago

(3x+7)(3x-7) if necessary combine like terms

1 answer:

34kurt3 years ago

3 0

Answer:

9x^2 -49

Step-by-step explanation:

We recognize that this is of the form

(a+b)(a-b) = a^2 - b^2

3x = a and 7 =b

(3x)^2 - 7^2

9x^2 -49

You might be interested in

malfutka [58]

Divide total km by the km in the scale:

112 / 16 = 7

The answer is A. 7 cm

6 0

3 years ago

mel-nik [20]

If you mean "what is the radius in feet of a circle that is 706.5 ft in diameter", then the answer is 353.25 ft.
Otherwise, I o no.

4 0

2 years ago

DanielleElmas [232]

It’s 110 because you add two 52

8 0

2 years ago

nasty-shy [4]

The answer is e beac=use it fits

4 0

3 years ago

kipiarov [429]

Answer:

I think 5

Step-by-step explanation:

5 0

3 years ago