Answer: -16d³ + 3d² - 3d + 2
Step-by-step explanation:
Given expression
(4d - 6d³ + 3d²) - (10d³ + 7d - 2)
Expand parentheses
(REMEMBER to change [+, -] signs when there is a [-] sign in before)
=4d - 6d³ + 3d² - 10d³ - 7d + 2
Put like terms together
=-6d³ - 10d³ + 3d² + 4d - 7d + 2
Combine like terms
=(-6d³ - 10d³) + 3d² + (4d - 7d) + 2
=[tex]\boxed{-16d^3+3d^2-3d+2}[/tex]
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