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8. Evaluate f(a+b) where f(x) = 4x²-3x​

Sagot :

Answer:

f(a+b)=4(a+b)²-3(a+b)

f(a+b)=4a²+4b²-3a-3b <---final answer

you only have to substitute the (a+b) of x

Step-by-step explanation:

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