hailscooper7363
10.08.2021 •
Mathematics
X^2-9 can be factored using the formula
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Ответ:
a^2 - b^2 = (a-b)(a+b)
Step-by-step explanation:
x^2 -9
Rewriting as
x^2 - 3^2
We notice that this is the difference of squares
a^2 - b^2 = (a-b)(a+b)
x^2 - 3^2 = (x-3)(x+3)
Ответ:
150
Step-by-step explanation:
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