If (4x + 1) (x + 4) = ax² + bx + c, what is the value of a + b + c?Identify the error and choose the correct expansion :
a) (9x+2)
2
=18x
2
+ 36x + 4
b) (9x+2)
2
= 81x
2
+ 36x + 4
c) (9x+2)
2
=81x
2
+ 18x + 4
d) (9x+2)
2
= 81x
2
+ 4
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Answered by
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Answer:
I'm not good at maths but ur question are quite difficult
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