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svlad2 [7]
3 years ago
15

Simplify 5x^2y(4x^3-3y^2)-2yx^3(4x^2-2x)+6​

Mathematics
1 answer:
sladkih [1.3K]3 years ago
8 0
The simplified version of this equation is

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Solve this pleasee!!!!!!!!!!!
Sholpan [36]

Answer:

1) Solution (2,-3)

2) Solution (-1, -\frac{3}{2})

3) Solution (\mathbf{-\frac{1}{2},-\frac{5}{2}})

Step-by-step explanation:

We need to solve equations using elimination

1) 2x+2y=-2\\3x-2y=12

Let:

2x+2y=-2--eq(1)\\3x-2y=12--eq(2)

Adding both equations:

2x+2y=-2\\3x-2y=12\\--------\\5x=10\\x=\frac{10}{5}\\x=2

We get value of x = 2

Now, put value of x into equation 1 to find value of y

2x+2y=-2\\Put\:x=2\\2(2)+2y=-2\\4+2y=-2\\2y=-2-4\\2y=-6\\y=-6/2\\y=-3

So, we get y = -3

Solution (2,-3)

2) 4x-2y=-1\\-4x+4y=-2

Let:

4x-2y=-1--eq(1)\\-4x+4y=-2--eq(2)

Adding both equations

4x-2y=-1\\-4x+4y=-2\\------\\2y=-3\\y=\frac{-3}{2}

We get: y= -3/2

Now find value of x by putting value of y in eq(1)

4x-2y=-1\\Put\:y=\frac{-3}{2}\\4x-2( \frac{-3}{2})=-1\\4x+3=-1\\4x=-1-3\\4x=-4\\x=\frac{-4}{4}\\x=-1

We get x = -1

Solution (-1, -\frac{3}{2})

3) x-y=2\\x+y=-3

let:

x-y=2--eq(1)\\x+y=-3--eq(2)

Add both equations:

x-y=2\\x+y=-3\\-----\\2x=-1\\x=-\frac{1}{2}

We get x = -1/2

Now, put value of x in equation 2

x+y=-3\\-\frac{1}{2}+y=-3\\y=-3+ \frac{1}{2}\\y=\frac{-6+1}{2}\\y=\frac{-5}{2}

We get y = -5/2

Solution (\mathbf{-\frac{1}{2},-\frac{5}{2}})

7 0
3 years ago
What value of z makes 7+5(z-3)=22 a true statement
Vlad1618 [11]

Answer: Z = 6

Step-by-step explanation: 7+5(6-3)=22

4 0
3 years ago
Can someone smart help me with this plz:)
agasfer [191]
Bottom right is the correct answer
3 0
3 years ago
Read 2 more answers
Question 3 of 10
Grace [21]

The cost to rent the space with measures 18 ft x 16 ft for a year is $62,208

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

An equation is an expression that shows the relationship between two or more numbers and variables.

The area of the space = 18 ft * 16 ft = 288 ft²

The cost per month is $18 per ft² per month, hence:

The cost of rent per year = $18 per ft² per month * 288 ft² * 12 month = $62,208

The cost to rent the space with measures 18 ft x 16 ft for a year is $62,208

Find out more on equation at: brainly.com/question/2972832

#SPJ1

3 0
3 years ago
Simplify 5/8×8 and explanation thanks.
Paha777 [63]
Explanation: Since 5/8 x 8 can be answered (because there is no variable), turn the whole number "8" into a fraction which would be: 8/1. Now, 5/8 x 8/1 equals 40/8 because 5 x 8 = 40 and 8 x 1 = 8. Now, simplify 40/8, which would be 20/4, simplifying it, even more, would be: 10/2, and one more time: 5/1 which is equivalent to 5. Hope this helps!


Answer: 5
5 0
4 years ago
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