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Nastasia [14]
4 years ago
8

Simplify the expression 8x² + x - 5 + (2x² - 9x + 13)

Mathematics
1 answer:
natima [27]4 years ago
6 0

Answer:

\boxed{ \bold{  \huge{ \boxed{ \sf{10 {x}^{2}  - 8x + 8}}}}}

Option A is the correct option

Step-by-step explanation:

\sf{8 {x}^{2}  + x - 5 + (2 {x}^{2}  - 9x + 13)}

When there is a ( + ) in front of an expression in parentheses , there is no need to change the sign of each term.

That means, the expression remains the same.

Also, Remove the unnecessary bracket

⇒\sf{8 {x}^{2}  + x - 5 + 2 {x}^{2}  - 9x + 13}

Collect like terms

⇒\sf{8 {x}^{2}  + 2 {x}^{2}  + x - 9x - 5 + 13}

⇒\sf{10 {x}^{2}  - 8x - 5 + 13}

Calculate

⇒\sf{10 {x}^{2}  - 8x + 8}

Hope I helped!

Best regards!!

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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