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mars1129 [50]
2 years ago
14

Find the sum of 3x² + 5x - 1 and x² - 2x -7​​

Mathematics
2 answers:
vova2212 [387]2 years ago
8 0

Answer:

4x^2+3x-8

Step-by-step explanation:

gizmo_the_mogwai [7]2 years ago
7 0

<h3>{3x}^{2}  + 5x - 1 +  {x}^{2}  - 2x - 7 \\  {3x}^{2}  +  {x}^{2}  + 5x - 2x - 1 - 7 \\  {4x}^{2}  + 3x - 8</h3>
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