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zavuch27 [327]
3 years ago
12

Multiply. (х4 + 1)(3х2 + 9x + 2)

Mathematics
1 answer:
lakkis [162]3 years ago
5 0

Answer:

3x^6+9x^5+2x^4+3x^2+9x+2

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It's a comon core math question the teacher is nice but.... She dosent like helping students out​
Luba_88 [7]

Answer:  Well i mean thats a personal question but tell your teacher that she not being much help.

Step-by-step explanation:

7 0
3 years ago
(9x+13)^2=49<br> Solve the quadratic equation given below.
Varvara68 [4.7K]

Answer:

x=(-2/3)

Step-by-step explanation:

(9x+13)^2=49

√(9x+13)^2=√49

9x+13=7

9x+13-13=7-13

9x=-6

9x÷9=-6/9

x=-6/9

-6/9=-2/3

3 0
3 years ago
-8x+2y=-2<br> 4x+4y=-4<br> What is the solution to the system
pickupchik [31]

The solution to system is x = 0 and y = -1

<em><u>Solution:</u></em>

<em><u>Given system of equations are:</u></em>

-8x + 2y = -2 ----------- eqn 1

4x + 4y = -4 ---------- eqn 2

We have to solve the system of equations

We can solve the equations by elimination method

<em><u>Multiply eqn 2 by 2</u></em>

8x + 8y = -8 ------ eqn 3

<em><u>Add eqn 1 and eqn 3</u></em>

-8x + 2y = -2

8x + 8y = -8

( + ) ---------------

0x + 2y + 8y = -2 - 8

10y = -10

Divide both sides by 10

y = -1

<em><u>Substitute y = -1 in eqn 1</u></em>

-8x + 2(-1) = -2

-8x - 2 = -2

-8x = -2 + 2

x = 0

Thus the solution to system is x = 0 and y = -1

3 0
2 years ago
Please help me out answer quick
drek231 [11]

Answer:

3

Step-by-step explanation:

8 0
3 years ago
How do I Round 53879 to the nearest hundred.
Elenna [48]
So,

53,879 rounded to the nearest hundred:

If the number in the tens place is greater than or equal to 5, then round up.  If not, round down.

7 is greater than or equal to 5, so round up.

53,879 --> 53,900
3 0
3 years ago
Read 2 more answers
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