23-09-2018
Mathematics

contestada

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS!!

PLEASE HELP ASAP CORRECT ANSWER ONLY PLEASE I CANNOT RETAKE THIS class=

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23-09-2018

[tex] {y}^{2} + 49 \\ \\ = {y}^{2} - ( - 49) \\ \\ = {y}^{2} - {(7i) }^{2} \\ \\ = (y + 7i)(y - 7i)[/tex]

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