Which of the following constants can be added to x2 - 6x to form a perfect square trinomial? 6 9 36

asked Feb 6, 2019 115k views

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Answer: i got 9 as the answer

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$\text {We add } ((b)/(2) )^2 \text { to form a perfect trinomal. }$

x^2 - 6x + 3^2 = (x -3)^2

$\boxed {\boxed {\text {Answer = 9}}}$

Pvieira answered Feb 12, 2019

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