Question

please help me to solve this equation​

Answer 1

answer:-

f(x) = x³+5x²+4bx²-9x+55

f(-7) = (-7)³ + 5(-7)² + 4b(-7)² - 9(-7) + 55

= -343 + 5×49 + 4b×49 + 63 + 55

= -343 + 245 + 196b + 63 + 55

= -343 + 363 + 196b

= 3 + 196b

hope you like the answer.

Answer 2

Answer:

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