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Citrus2011 [14]
4 years ago
10

Which expression can be used I find the difference of the polynomials (10m-6)-(7m-4)?

Mathematics
2 answers:
garik1379 [7]4 years ago
8 0

Hi!


To solve this, we can take away the parentheses.

10m-6-7m-4

Group like terms together

10m-7m-6-4

Simplify

3m-2


The answer is 3m-2


Hope this helps! :)

-Peredhel

Aleks04 [339]4 years ago
4 0

Answer: Hi! in this problem we have two polynomials; (10m -6) and (7m -4).

if we want to find the difference between these polynomials, we can do a direct subtraction.

so:

(10m - 6) - (7m - 4)

10m - 6 - 7m + 4

(10m - 6m) + (4 - 6)

3m -2

So the difference between the two polynomials is d = 3m - 2.

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Answer:

B. (x+3)(5x+2)

Step-by-step explanation:

The given quadratic trinomial is;

5x^2+17x+6

Comparing this to ax^2+bx+c, we have a=5,b=17,c=6.

ac=5\times6=30

Two factors of 30 that add up to 17 is 15  and 2.

We split the middle term to obtain;

5x^2+15x+2x+6

We factor by grouping;

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Factor further

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The correct answer is B.

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Step-by-step explanation:

Given

The combine income of the husband and wife = $62,000

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In order to find out the taxable income for an U.S. family, the following formula is used

taxable income = total income - exemption deduction - standard deduction

We know the exemption deduction for a married couple with three kids fixed according to the U.S. government is $19,500.

And the standard deduction for a married couple with three kids fixed according to the U.S. government is $12,200.

Therefore,

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