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Please help!!!!!!!!!!

Please help!!!!!!!!!!-example-1

2 Answers

3 votes

Answer:

b) (x+5)(x-5)

Explanation:


x^(2) - 25

=
x^(2) - 5x + 5x - 25 ( -5x and +5x gets cancelled to 0, but it is put here to simplify the equation)

= x ( x - 5 ) + 5 ( x - 5 )
= (x+5) (x-5)

User Nick LaMarca
by
8.2k points
5 votes

Option B is correct since this is the algebraic identity, a^2 - b^2 = (a+b)(a-b). Here, the answer is (x+5)(x-5).

User Fumio
by
8.5k points

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