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Mathematics, 06.12.2021 19:20 emmanuel180

Help plz: 7. Add or subtract the following polynomials:
a. 5x^2 + 3y^3 - 4x^2 =
b. y^3 + 2y^3 - 8 + 2 =
c. 9 - 3x - 4x + 2x - 12 =
d. -6t + 4t^2 - 6 + 7t - 4t^2 =

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Help plz: 7. Add or subtract the following polynomials:
a. 5x^2 + 3y^3 - 4x^2 =
b. y^3...
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