Question

Evaluate f(2a+b),where f(×)=4ײ-3×.

Answer 1

Step-by-step explanation:

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