Question:

Simplifying basicaly?

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1) (-3x^2 + 4x - 7) + (2x^2 - 7x + 8)

2) (39a^4 - 4a^3 + 2a^2 - a - 7) - (10a^4 + 3a^3 - 2a^2 -a + 8)

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  1. -3x^2 + 4x - 7 + 2x^2 - 7x + 8

    -x^2 - 3x +1

    -1(x^2+3x -1) requires quadratic formula to factor futher

    (39a^4 - 4a^3 + 2a^2 - a - 7) - (10a^4 + 3a^3 - 2a^2 -a + 8)

    39a^4 - 4a^3 + 2a^2 - a - 7 - 10a^4 - 3a^3 + 2a^2 +a - 8

    29a^4 - 7a^3 + 4a^2 - 15

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