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ankoles [38]
2 years ago
9

What is the value of the expression 9x2 - 12x + 4 when x = 3?

Mathematics
1 answer:
AURORKA [14]2 years ago
7 0

9514 1404 393

Answer:

  (b)  49

Step-by-step explanation:

Put the value where x is in the expression and do the arithmetic.

  9x² -12x +4   for x=3

  9·3² -12·3 +4 = 9·9 -36 +4

  = 81 -36 +4 = 49

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