marjoryymadelin03 marjoryymadelin03

25-04-2021
Mathematics

contestada

x 2 +6x+___ complete the square

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helperman123 helperman123

25-04-2021

9 is the blank.

(a+b)^2 = a^2 + 2ab + b^2

a = x
b = 3

(x+3)^2 = x^2 + 6x + 9

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