How do you subtract $(6x^3 – 2x^2 + 4)-(2x^3 + 4x^2 – 5)$ ?

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Answer 1 · 2015-04-29T16:09:20

$(6x^3 – 2x^2 + 4)-(2x^3 + 4x^2 – 5)$

$=6x^3 – 2x^2 + 4-2x^3 - 4x^2 + 5$

Next, we group the Like terms:

$=(6x^3 - 2x^3) - (2x^2 -4x^2) +(4+5)$

$= color(green)(4x^3 - 6x^2 + 9$

How do you subtract (6x^3 – 2x^2 + 4)-(2x^3 + 4x^2 – 5)(6x^3 – 2x^2 + 4)-(2x^3 + 4x^2 – 5)?