3 years ago

Find 5g(x)-f(x) given f(x)=9x^2+7x and g(x)=2-x

Mathematics

1 answer:

givi [52]3 years ago

4 0

Answer:

- 9x² - 12x + 10

Step-by-step explanation:

5g(x) - f(x)

= 5(2 - x) - (9x² + 7x) ← distribute both parenthesis

= 10 - 5x - 9x² - 7x ← collect like terms

= - 9x² - 12x + 10

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