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3 years ago

Can you guys help me find the sum TnT (7−b)+(3b+2)

Mathematics

1 answer:

Alex_Xolod [135]3 years ago

3 0

Answer:

2b+9

Step-by-step explanation:

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Step-by-step explanation:

Or if you have to write it as a fraction $2.50/ 1

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3 years ago

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3 years ago

Five times a number decreased by nine is equal to twice the number increased by 23. Which equation could be used to solve the pr

Agata [3.3K]

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Step-by-step explanation:

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2 years ago

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Please help me with this !

baherus [9]

M-N is $M-N=2x^2+11x-9$

Option B is correct.

Step-by-step explanation:

If $M=5x^2+7x-4$ and $N=3x^2-4x+5$ then find M-N

We need to subtract N from M

We will combine like terms (terms having same variable and exponent) and then solve them:

$M=5x^2+7x-4$

$N=3x^2-4x+5$

$M-N=5x^2+7x-4-(3x^2-4x+5)\\M-N=5x^2+7x-4-3x^2+4x-5\\Combining\,\,like\,\,terms:\\M-N=5x^2-3x^2+7x+4x-4-5\\M-N=2x^2+11x-9$

So, M-N is $M-N=2x^2+11x-9$

Option B is correct.

Keywords: Solving Polynomials

Learn more about Solving Polynomials at:

#learnwithBrainly

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4 years ago