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Klio2033 [76]
3 years ago
13

Factorization of 3x^2+21x​

Mathematics
1 answer:
ycow [4]3 years ago
6 0

Answer:

3x(x+7)

Step-by-step explanation:

3 {x}^{2}  + 21x \\  = 3x(x + 7)

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Given: Q = 7m 3n, R = 11 - 2m, S = n 5, and T = -m - 3n 8. Simplify R - S T. M - 2n - 2 -3m - 4n 14 3m - 4n 14 -m 2n - 2.
ziro4ka [17]

To solve the algebraic expression, add or subtract the variables with same power of variable.

The result of the given problem after simplifying is,

y=7m+n-6

<h3>How to write algebraic expression? </h3>

Algebraic expression are the expression which consist the variables, coefficients of variables and constants.

The algebraic expression are used represent the general problem in the mathematical way to solve them.

To solve the algebraic expression, add or subtract the variables with same power of variable.

Given information-

The given numbers are,

Q=7m+3n\\R=11-2m\\S=n+5\\T=-3-3n

All the four number given in the form of unknown number m and n.

The result, need to be find is,

R-S+T+M

Let the result of above expression is y. Thus,

y=R-S+T+M

Put the values to solve it further,

y=(7m+3n)-(11-2m)+(n+5)+(-m-3n)

Solve it further by open the bracket as,

y=7m+3n-11+2m+n+5-m-3n\\y=7m+2m-m+3n+n-3n-11+5\\y=7m+n-6

Hence the result of the given problem after simplifying is,

y=7m+n-6

Learn more about the algebraic expression here;

brainly.com/question/2164351

3 0
2 years ago
Two students in your class, Ralph and Bobby, are disputing a function. Ralph says that for the function, between x = −1 and x =
marshall27 [118]

Answer:

Ralph and Bobby both are correct about slope. Because slope for both is 0.

Step-by-step explanation:

We are given a function that has two values of x's between x = −1 and x = 1.

And the average rate of change between x=-1 and x=1 is 0.

We know that x=-1 and x=1 are the points on x-axis.

If we joint x=-1 and x=1 points, we would get a straight line horizontal line on x-axis.

And note, the slope of a horizontal line is 0 always.

So, according to Bobby the graph goes up through a turning point, and then back down that means the point (-1,0) gets horizontally shift by 2 unit at (1,0).

Therefore, rise/run = 0/2, that is also equal to 0.

Therefore, Ralph and Bobby both are correct about slope.

Because slope for both is 0.

7 0
3 years ago
I need help pleaseee!!!!!!!!!!
vovikov84 [41]
<h2>Answer:</h2>

Using the distributive property, we can simplify the expression.

4 × 3 = 12

4 × \frac{1}{4} = 1

4 × (-\frac{1}{2}) = -2

Here is the simplified expression:

12 + c - 2d

6 0
3 years ago
Angela has half of her birthday cake left over from her party. She wants to share the leftover cake equally between her and her
hjlf
25% each or .25 her plus three friends =4 /4 =1 /
7 0
2 years ago
Which of the following situations result in an answer of 2/3? Select three that apply.
Tema [17]
B: is the best answer because there splitting 2 apples among 3 people and that means there’s not enough for all, so they all receive 2/3 of an apple to all get shared with equally. Hopefully this helps!
6 0
2 years ago
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