Question

Choose the correct product of (2x − 5)^2

Answer 1

4x2 − 25
4x2 + 25
4x2 − 20x + 25
4x2 + 20x + 25

Answer 2

(2x - 5)^2
What does "raise to the second power" mean?
For example, what does 4^2 mean?

Answer 3

times it by itself @mathstudent55

Answer 4

Okay so basically when you got a problem like this its just like 3^2...Which means 3x3

Answer 5

When you have 3^3 that means 3x3x3

Answer 6

(2x - 5)^2 is (2x - 5)(2x - 5) =
4x^2 - 10x - 10x + 25 =
4x^2 - 20x + 25.

C) 4x^2 - 20x + 25 is correct.

Answer 7

So this one you have (2x - 5)(2x - 5) = 4x^2 - 10x - 10x + 25 = 4x^2 - 20x + 25. :)

Answer 8

Happy solving! :D

Answer 9

thank you

Answer 10

Np.

Answer 11

No problem! :)

Answer 12

Right, 4^2 means 4*4
The same way, (2x − 5)^2 means (2x -5)(2x -5)
Do you know FOIL for multiplying two binomials together?

Answer 13

@mathstudent55 So hows it going?