ll. Square the following
1. (x + 3)2​


Sagot :

Answer:

(x+3)(x+3)

x²+3x+3x+9

x²+6x+9

Step-by-step explanation:

Step-by-step explanation:

by using the formula: squre the first term + 2(first term) (second term) + square the second term

Answer:

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