Mia12viz
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What is the pattern in squaring perfect trinomials? 

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AinahSumaviz
for example:

(a+b+c)^2
= a^2+b^2+c^2+2ab+2ac+2bc

Square the first, second and third term
twice the 1st and 2nd term
twice the 1st and last term
twice the 2nd and last term

Hope it is true :)

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