Factor this polynomial expression.
1 answer:
Answer:
B. (5x - 4)(3x + 2)
Step-by-step explanation:
Factor the following:
15x² - 2x - 8
The coefficient of x² is 15 and the constant term is -8. The product of 15 and -8 is -120. The factors of -120 which sum to -2 are 10 and -12.
So,
15x² + (10 - 12)x - 8
15x² + 10x - 12x - 8
5x(3x + 2) - 4(3x + 2)
(5x - 4)(3x + 2)
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Step-by-step explanation:
Given:
As the domain for the inverse sine function is 1 ≤ x ≤ 1 as this is the range for the sine function.
The range for the function is the same as the range for the cosine function, 1 ≤ y ≤ 1
As
So, using the identity
As the sin and inverse sin function do cancel each other, so only x² is left.
Hence,
;
<em>Keywords: trigonometric function </em>
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