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diamong [38]
3 years ago
7

Which value must be added to the expression x2 + 12x to make it a perfect-square trinomial?

Mathematics
2 answers:
777dan777 [17]3 years ago
7 0
<span>x^2 + 12x + 36 = (x +6)^2

answer
36</span>
Kipish [7]3 years ago
4 0
X^2+12x=0
(ax^2+bx)=0
(b/2)^2=(12/2)^2=(6)^2=36
x^2+12x+36=(x+6)^2
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