Question

Choose the expression that is equivalent to 9w² +(20w² - 15w+10) +2w.

OA. 9w² - 17w +6
B. 21w² -7w+10
C. 21w²-7w+6
D. 9w² -w+10

Answer 1

`\quad \huge \quad \quad \boxed{ \tt \:Answer }`

`\qquad \tt \rightarrow \: 9w² - 13w + 10`

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`\large \tt Solution \: :`

`\qquad \tt \rightarrow \: 9 {w}^(2) + (20 {w}^(2) - 15w + 10) + 2w`

`\qquad \tt \rightarrow \: 9 {w}^(2) + 20 {w}^(2) - 15w + 10+ 2w`

`\qquad \tt \rightarrow \: 9 {w}^(2) + 20 {w}^(2) - 15w +2w + 10`

`\qquad \tt \rightarrow \: 29 {w}^(2) - 13w + 10`

Answered by : ❝ AǫᴜᴀWɪᴢ ❞