What is the missing constant term in the perfect square that starts with x^2-4x
2 answers:
4 will be added to make the given expression a perfect square
Further explanation:
Given term is:
As there is a square term and a linear term involving x, the expression will be completed using the formula
We know that
a^2=x^2
so,
Adding (2)^2
4 will be added to make the given expression a perfect square
Keywords: Perfect square, polynomials
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to see what you can take out of the radical, you can always do a quick "prime factoring" of the values, that way you can break it in factors to see who is what.