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Amir Lowe
Mathematics
9 November, 05:28
Does anyone know how to factor y^2+49?
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Deborah
9 November, 05:46
0
Y + 7i y-7i
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Cullen Mcbride
9 November, 05:46
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(y + 7i) (y - 7i)
Step-by-step explanation:
It cannot be factored using real numbers, but consider
7i * - 7i
= - 49i² and i² = - 1
= 49
The factoring as a difference of squares to obtain
y² + 49 = (y + 7i) (y - 7i)
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