angiemra2018 angiemra2018

26-05-2021
Mathematics

contestada

If A = 3x2 + 5x - 6 and B = 2x2 + 4x + 7, then A + B equals

Respuesta :

26-05-2021

Answer:

5x² + 9x + 1

Step-by-step explanation:

Given:

A = 3x² + 5x - 6

B = 2x² + 4x + 7

A + B:

3x² + 5x - 6 + 2x² + 4x + 7

(3x² + 2x²) + (5x + 4x) - 6 + 7

5x² + 9x + 1

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