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Mathematics, 07.09.2019 23:10 zoilacarrillosfe14

The expression 21 - (2x + 3)2 + 4 (1 - 1) + z3 can be simplified into the form
ax3 + bx2 +cr + d. find the missing constants a, b, c, and d below.
show work .

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The expression 21 - (2x + 3)2 + 4 (1 - 1) + z3 can be simplified into the form
ax3 + bx2 +cr +...
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