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Answer:
[tex]\large\boxed{\sf x^3 - 7x^2 + 7x - 10}[/tex]
Explanation:
Given:
(a) f(x) = x³ - 3x² + 2x - 3
(b) g(x) = 4x²- 5x + 7
Solve for (f - g)(x) = f(x) - g(x) :
⇒ x³ - 3x² + 2x - 3 - (4x²- 5x + 7)
distribute inside parenthesis
⇒ x³ - 3x² + 2x - 3 - 4x² + 5x - 7
group the variables
⇒ x³ - 3x² - 4x² + 2x + 5x - 3 - 7
add or subtract variables
⇒ x³ - 7x² + 7x - 10
Answer:
x³ - 7x² + 7x - 10
Step-by-step explanation:
Subtracting functions: (f - g)(x) is equivalent to f(x) - g(x)
Given:
Simplify:
(x³ - 3x² + 2x - 3) - (4x² - 5x + 7)
(x³ - 3x² + 2x - 3) - (4x²) + - (- 5x) - (7)
x³ - 3x² + 2x - 3 - 4x² + 5x - 7
x³ - 3x² - 4x² +2x + 5x - 3 - 7
x³ - 7x² + 7x - 10
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