Gray is building braces for a shelf. He will attach each brace to the front edge of the 6-inch shelf and 3- inches down the wall
1 answer:
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Answer:
- 2x³
Step-by-step explanation:
f(x) - g(x)
= - x - (2x³ -
- x) ← distribute parenthesis by - 1
= - x - 2x³ +
+ x ← collect like terms )
= - 2x³