3 years ago

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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