f(b)=-3b^2 -5b-5 find the value of f(2b)+f(-b)
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Answered by
3
Answer:
f(2b)+f(-b)= -15b²-5b-10
Step-by-step explanation:
- f(b)=-3b² -5b-5
- f(2b)= -3(2b)² -5(2b)-5
= -3(4b²)-10b-5
= -12b²-10b-5
- f(-b)= -3(-b)² -5(-b)-5
= -3b²+5b-5
f(2b)+f(-b)
= (-12b²-10b-5)+(-3b²+5b-5)
= -15b²-5b-10
Hope It Helps
Answered by
0
Answer:
Step-by-step explanation:
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