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Montano1993 [528]
3 years ago
11

Factorise:7m^2+67m+36

Mathematics
1 answer:
Marta_Voda [28]3 years ago
3 0
You know the first terms of the factors must be 7 & 1, since those are the only factors of 7.

So you write: (7m+x)(m+y)

Both the second and third term are positive, so x & y are both positive.
 
From there, all you can really do is plug in all factors of 36 as x or y until you find that the second term adds up to 67.

And you find the only one that works is:

(7m+4)(m+9)
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pentagon [3]

Answer: B

21x^2-17x+2

Step-by-step explanation:

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18 = B (192)
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Which of the following equations is equivalent to 3(a + 4) – 5(a – 2) = 22?
VMariaS [17]

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Step-by-step explanation:

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What is the sum of the given polynomials in standard form? (x2 – 3x) (–2x2 5x – 3).
Rina8888 [55]

Sum of standard form polynomials means adding the terms of same variable. The sum of the given polynomial in standard form is,

-x^2+2x-3

<h3>What is polynomial equation?</h3>

A polynomial equation is the equation in which the unknown variable is one and the highest power of the unknown variable is n.

Here, <em>n</em> is any real number.

In the polynomial equation the the terms are added or subtracted from each other only when the power of the variable is same.

Given information-

The first polynomial equations given in the problem is,

(x^2 - 3x)

The second polynomial equations given in the problem is,

(-2x^2+ 5x - 3).

To find the sum of these two polynomials, add the two terms together as,

(x^2 - 3x)+(-2x^2+ 5x - 3)

Let the result of the sum is f(x). Thus,

f(x)=(x^2 - 3x)+(-2x^2+ 5x - 3)\\f(x)=x^2-3x-2x^2+5x-3

Separate the similar power variable as,

f(x)=(x^2-2x^2)+(-3x+5x)-3\\f(x)=-x^2+2x-3

Thus the sum of the given polynomial in standard form is,

-x^2+2x-3

Learn more about the polynomial equation here;

brainly.com/question/2833285

7 0
2 years ago
Anyone know how to figure this out. I need the answer by 7:30 tonight.
Sholpan [36]
You would need a more detailed picture
3 0
4 years ago
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