3 years ago

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

Mathematics

1 answer:

worty [1.4K]3 years ago

5 0

${y}^{2} + 49 \\ \\ = {y}^{2} - ( - 49) \\ \\ = {y}^{2} - {(7i) }^{2} \\ \\ = (y + 7i)(y - 7i)$

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