0
its 1/4
(x-1/2)²= x²-21/2x+1/4= x²-x+1/4
for -Apex
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Earn +20 ptsQ: What number must be added to the expression below to complete the square?
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X2 plus 14x equals -7 what number is added to complete the square?
49-apex
What number must be added to the polynomial to complete the square x2-9x?
-7
Can a non-radical number be added to a radical?
An expression such as root(3) + 2 (square root of 3, added to 2) can not be simplified. Of course, you can convert the square root to a decimal and then add, to get an approximate result.
What number can be added to complete the square x2 plus 10x equals 14?
9 needs to be added to complete the square. When squaring (x + n), the result is x2 + 2nx + n2. We have +10x, so n must be 10/2 = 5. Thus: (x + 5)2 = x2 +10x + 25 = x2 +10x + 14 + 9 So 9 needs to be added to complete the square, giving: x2 +10x + 14 = (x + 5)2 - 9
A number added to its square is 30?
Five.
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