Question

What is the simplified form of 4x^2-25/2x+5 ? i know that it is 2x-5 but what is the restriction?

Answer 1

2x-5

Answer 2

2x-5

Answer 3

i know it is 2x-5 but what is the restriction?

Answer 4

She wants to know the restriction not the solution

Answer 5

use the relation: (a^2-b^2)/(a+b)=a-b

Answer 6

oh.. sorry

Answer 7

x is not equal to -5/2

Answer 8

lol its ok..thanks!!

Answer 9

4X2 - 25
We have no middle term.
The number is negative.
You can get the number by multiplying 3 times itself.
But instead of X 2, we have 4X 2.

That's not a problem
2X x 2X = 4X2 and 5 x 5 = 25

So we can factor this
4X2 - 25 = (2X + 5)(2X - 5)