SOLUTION: The question says fill in the blank to make a perfect-square trinomial "x squared + 14x + __ "

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Question 953328: The question says fill in the blank to make a perfect-square trinomial "x squared + 14x + __ "
Answer by josgarithmetic(39626) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2B14x, like a rectangle of x dimension and x+14 other dimension.

ADD 49.

x%5E2%2B14x%2B49=%28x%2B7%29%5E2

Study the lesson for how that choice of 49.