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Elodia [21]
3 years ago
7

What is the difference when 3x2 - 4x + 2 is subtracted from 7x2 + 5x – 1?

Mathematics
2 answers:
DochEvi [55]3 years ago
6 0

Answer:

Step-by-step explanation:

7x^2 + 5x - 1 - 3x^2 + 4x - 2

4x^2 + 9x - 3

Otrada [13]3 years ago
5 0
I think the difference is 4x^2+x+1

Hope this helps
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Translate the following verbal expression into a algebraic expression Ten more than the absolute value of a number
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Find the product of the solutions of this equation 2x^2+26x+156=0
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7 0
3 years ago
is M a midpoint of line AB? AB=44, MB=22 a)maybe b)can't determine c)yes d)no (please explain how you got your answer)
Elza [17]

Answer:

Yes

Step-by-step explanation:

Yes, M is the midpoint of AB.

The length of the whole line AB is 44. So, if any midpoint is drawn on it, The two parts of the line will be equal and half of the total lines measure.

Whole line's measure = AB = 44

If any Midpoint say "M" is drawn on it, the measures of divided line would be halved.

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5 0
2 years ago
Which of the following is equivalent to
enot [183]

Answer:

Option (2) is correct.

18-\sqrt{-25}=18-5i

Step-by-step explanation:

Given expression 18-\sqrt{-25}

We have to find an equivalence value to the expression.

<u> Radical rule</u>,

\sqrt{-a}=\sqrt{-1} \sqrt{a}

Also,i=\sqrt{-1}

Consider the given expression,

18-\sqrt{-25}

Applying radical rule to \sqrt{-25}

\sqrt{-25}=\sqrt{-1}\sqrt{25}=5i

Thus, the expression becomes,

18-\sqrt{-25}=18-5i

Thus, option (2) is correct.

6 0
3 years ago
Read 2 more answers
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