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Mathematics
Benitez
9 July, 12:31
Which model represent the factors of 4x^2-9
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Gloria Sanchez
9 July, 15:30
0
(2x - 3) (2x + 3)
Step-by-step explanation:
Given
4x² - 9
This is a difference of squares and factors in general as
a² - b² = (a - b) (a + b)
4x² = (2x) ² ⇒ a = 2x
9 = 3² ⇒ b = 3, thus
4x² - 9 = (2x - 3) (2x + 3) ← in factored form
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