SOLUTION: Write the expression: 9x2(2 as in square)-9x+1 in the form of a(x+b)2(as in square)+c. where a,b and c are real numbers

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Question 388999: Write the expression:
9x2(2 as in square)-9x+1 in the form of a(x+b)2(as in square)+c. where a,b and c are real numbers

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi,
9x^2 - 9x + 1 Note using ^ (uppercase '6') to indicate squared term
Completing the square to put into desired format:
9(x^2 - x) +1
9[(x- 1/2)^2 -1/4] + 1
9(x- 1/2)^2 - 9/4 + 1
9(x- 1/2)^2 - 5/4 in the form a(x+b) + c where a = 9, b = -1/2 and c = -5/4

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