johnthenobleone johnthenobleone

04-10-2021
Mathematics

contestada

lf f(x) = -4x^2- 6x-1 and g(x) = -x^2 - 5x + 3, find (f- g)(x).

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jimrgrant1 jimrgrant1

04-10-2021

Answer:

(f - g)(x) = 5x² - x - 4

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 4x² - 6x - 1 - (- x² - 5x + 3) ← distribute parenthesis by - 1

= 4x² - 6x - 1 + x² + 5x - 3 ← collect like terms

= 5x² - x - 4

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