Question

$(4x {}^{2} + 2x - 6) + (3x {}^{2} - 7x + 5)$
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Answer 1

Respuesta:

$( {4x}^{2} + 2x - 6) + ( {3x}^{2} - 7x + 5) \\ {4x}^{2} + 2x - 6 + {3x}^{2} - 7x + 5 \\ = {7x}^{2} - 5x - 1$