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Akimi4 [234]
3 years ago
14

What number should be added to the expression x^2 + 12x to change it into a perfect square trinomial? Is 36 correct?

Mathematics
1 answer:
galben [10]3 years ago
3 0
x^{2} +12x+n^2 = x^{2} +2*6*x+n^2 \Rightarrow n=6. \\  \\ The~answer~is~36. \\  x^{2} +12x+36=(x+6)^2/
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