3 years ago

What is the solution to this

Mathematics

1 answer:

sergeinik [125]3 years ago

4 0

Answer:

D.) 8x^2+11x-9

Step-by-step explanation:

5x^2 -(-3x^2) =8x^2

7x -(-4x) =11x

-4 -5 =-9

Hope it helps

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2 years ago

Does anyone know how to do these maths question???

Dmitry_Shevchenko [17]

Answer:

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Step-by-step explanation:

we know that

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we have

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