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question perform the operation. $(7x^2 + x) - (9x^2 + 4x)$

Question

question
perform the operation.
$(7x^2 + x) - (9x^2 + 4x)$

Explanation:

Step1: Eliminar paréntesis

$7x^2 + x - 9x^2 - 4x$

Step2: Agrupar términos semejantes

$(7x^2 - 9x^2) + (x - 4x)$

Step3: Simplificar cada grupo

$-2x^2 - 3x$

Answer:

$-2x^2 - 3x$