Add: 3x2 + 4y – 5z3, 5y + 2x2, 4x2 – 9y – 5z3
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Answer is 18-10z³
Step-by-step explanation:
=3×2+4y-5z³+5y+2×2+4×2-9y-5z³
=6+4y-5z³+5y+4+8-9y-5z³
=18-10z³
i hope it helps you
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