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3 years ago

PLEASE PLEASE PLEASE HELP PLEAS :( THE SECOND ONE JEJEJEJDD PLEASEEEEEE

Mathematics

2 answers:

krok68 [10]3 years ago

6 0

Answer:

Step-by-step explanation:

Count the line endings in each letter as you write it down.

Sedbober [7]3 years ago

3 0

Answer:

I agree with tonb .Ace,he's/she's right

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ch4aika [34]

Answer : $9x^2 - 25 = (3x - 5)(3x + 5)$

(1) $9x^2 - 25 = (3x - 5)(3x - 5)$

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$(3x - 5)(3x - 5) = 9x^2 - 30x + 25$

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$-(3x + 5)(3x + 5) = -(9x^2 + 30x + 25) = -9x^2 -30x -25$

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$-(3x + 5)(3x - 5) = -(9x^2 - 25) = -9x^2 + 25$

So equation 2 is true

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