SOLUTION: For what real values of c is 4x^2 + 5x^2 + 14x + 6x - 8x^2 + c the square of a binomial?

SOLUTION: For what real values of c is 4x^2 + 5x^2 + 14x + 6x - 8x^2 + c the square of a binomial?

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Question 1209164: For what real values of c is 4x^2 + 5x^2 + 14x + 6x - 8x^2 + c the square of a binomial?
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Combine like terms:

Using the pattern , we have

2ax = 20x
a = 10
c = a^2 = 100

ANSWER: 100

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