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lilavasa [31]
3 years ago
13

When factored completely, x^3- 13x^2_ 30x is

Mathematics
1 answer:
Shkiper50 [21]3 years ago
7 0

Answer:

d

Step-by-step explanation:

Given

x³ - 13x² - 30x ← factor out x from each term

= x(x² - 13x - 30) ← factor the quadratic

Consider the factors of the constant term (- 30) which sum to give the coefficient of the x- term (- 13)

The factors are - 15 and + 2, since

- 15 × 2 = - 30 and - 15 + 2 = - 13, thus

x² - 13x - 30 = (x + 2)(x - 15) and

x³ - 13x² - 30x = x(x + 2)(x - 15) → d

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