3 years ago

Simplify the expression. −(−x)3 − x3

Mathematics

1 answer:

Olenka [21]3 years ago

4 0

Answer:

Step-by-step explanation:

-(-x) ^3-x^3

x^3-x^3

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vovangra [49]

Answer:

${6x}^{3} + {9x}^{2} - 18x + 3$

Step-by-step explanation:

1. Expand by distributing sum groups. $3x( {2x}^{2} + 5x - 1) - 3( {2x}^{2} + 5x - 1)$

2. Expand by distributing terms.

${6x}^{3} + {15x}^{2} - 3x - 3( {2x}^{2} + 5x - 1)$

3.Expand by distributing terms.

${6x}^{3} + {15x}^{2} - 3x - ( {6x}^{2} + 15x - 3)$

4. Remove parentheses.

${6x}^{3} + {15x}^{2} - 3x - {6x}^{2} - 15x + 3$

5. Collect like terms.

${6x}^{3} + {15x}^{2} - {6x}^{2} ) + ( - 3x - 15x) + 3$

6. Simplify.

${6x}^{3} + {9x}^{2} - 18x + 3$

Thus. the answer is,

${6x}^{3} + {9x}^{2} - 18x + 3$

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3 years ago

What is the value of d to the nearest hundredth? E da 7.2 D 42° d F

azamat

Answer: 6.48

Step-by-step explanation: hope it helps

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What do you add to 2/9 to make it a whole

Maksim231197 [3]

Answer:

7/9

Step-by-step explanation:

9/9 = 1 whole

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Step-by-step explanation:

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3 years ago