Which of the following is equal to
X3-225x (3 is power of x)?want answer with correct solving of question. options are:-
a)x(x-15) (x+15)
b)x(1-15x) (1+15x)
c)x(1-15x) (1-15x)
d)x(1+15x) (1-15x)
Answers
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x³ - 225x is equal to x(x - 15)(x + 15).
Step-by-step explanation:
Given, x³ - 225x
By taking common x,
=> x(x² - 225)
=> x(x² - 15²)
Now, using formula for (a² - b²)
=> x(x - 15)(x + 15)
As we know that (a² - b²) = (a + b)(a - b)
Hence, x³ - 225x is equal to x(x - 15)(x + 15).
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