Simplify the Expression A) $10 x ^ { 2 } + 15$

question 17

Multiple Choice

Simplify the expression. If the expression cannot be simplified, so state.
- $\left[ - 10 x ^ { 2 } + \left( 3 x ^ { 2 } + 6 \right) \right] + \left[ \left( 9 x ^ { 2 } + \left( 9 + 10 x ^ { 2 } \right) \right) - 2 x ^ { 2 } \right]$

• A) \(10 x ^ { 2 } + 15\)
• B) \(- 16 x ^ { 2 } - 15\)
• C) \(- 24 x ^ { 2 } - 3\)
• D) \(- 28 x ^ { 2 } - 3\)

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Definitions:

Pairwise Comparisons

Statistical analyses involving the comparison of all possible pairs in a group to determine if significant differences exist between them.

Groups Examined

The specific categories or collections of data that are analyzed in a study to observe differences, effects, or outcomes.

Obtained Value

The real outcome or result attained through a statistical examination or experiment.

Within-groups Df

Degrees of freedom within groups in an analysis of variance (ANOVA), related to the variability of observations within each group.