Question

Simplify the following:
i) 12x + 15 y – 13 z + 4 + ( 12 – 7x + 3z – 10 y )
ii) 16x3 + 12 x2 – 9x + 18 – ( 8 + 6x3 – 2x2 + x )​

Answer 1

Answer:

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Step-by-step explanation:

i)12x+15y‐13z+4+12‐7x+3z‐10y

5x+5y‐10z+16

Answer 2

Step-by-step explanation:

For 1.

5x - 5y - 10z +16.

For 2.

10x3 + 14x2 - 10x + 26.

Hope it helps..