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wlad13 [49]
3 years ago
10

0" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Harman [31]3 years ago
6 0

Answer:

x = -7/2 multiplicity 2.

Step-by-step explanation:

 4x^2 + 28x + 49 = 0

(2x + 7)(2x + 7) = 0

This is a perfect square.

2x + 7 = 0, so:

x = -7/2 multiplicity 2.

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