a(a+4)+3(2a^2-1)+4a^2 at a=2 simplyfiy
Answers
Answered by
0
Answer:
49
Step-by-step explanation:
2(2+4)+3(7)+4(2²) = 12+21+16 = 49
Answered by
0
Answer:
a(a+4)+3(2a²-1)+4a².
a²+4a+6a²-3+4a². (Because +×-=-).
a²+6a²+4a²+4a-3. (Because by combining like terms to avoid confusion).
11a²+4a-3.
a=2.
11(2)²+4(2)-3.
11(4)+8-3.
44+8-3.
52-3.
49.
I think this is your answer.
Similar questions