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geniusboy [140]
3 years ago
5

Can someone please Solve 5x+x^2=36

Mathematics
2 answers:
V125BC [204]3 years ago
7 0
X = 4 AND x = -9

Good luck.
Bogdan [553]3 years ago
4 0
To make this easier, rewrite the equation in descending order:
x^{2} + 5x = 36
Then, move everything to one side by subtracting 36 from either sidex^{2} +5x-36=0
Next, factor the equation into two binomials:
(x+9)(x-4)=0
Then, split the two binomials and set them both equal to zero.
x+9=0;x-4=0
Then, simply, solve for x by isolating it:
(x+9)-9=0-9;(x-4)+4=0+4 \\ x=-9;x=4
Your two answers are x=-9 and x=4

If you're interested, you can check both answers by plugging them into the equation. 

Hope this helps!
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Use slopes and y-intercepts to determine if the lines y=−x2+14 and 3x−4y=−1 are parallel.
Keith_Richards [23]
Answer: the lines are not parallel.


Explanation: if you isolate the x in 3x^2-4y=-1, the equation is y=3/4x^2+1/4


So, they are not parallel because the slope is not the same.
7 0
3 years ago
FOR BRAINLIEST ANSWER THIS ASAP
mel-nik [20]

Answer:

-3x + y = -14

Step-by-step explanation:

m = 3/1 = 3

1 = 15 + b

b = -14

Y = 3x - 14

-3x + y = -14

5 0
3 years ago
Multiply the polynomial x (3x-1)(2x+5) also what is the degree of the polynomial
Readme [11.4K]

Answer:

Result after multiplication of polynomial is: 6x^3+13x^2-5x

Degree of polynomial = 3

Step-by-step explanation:

The given polynomials are:

x(3x-1)(2x+5)

In order to multiply the given polynomials we have to work step by step. First of all the polynomials in the bracket will be multiplied and then their result will be multiplied with x.

So, multiplying the polynomials in round brackets first

=x(3x-1)(2x+5)\\= x\{3x(2x+5)-1(2x+5)\}\\=x\{6x^2+15x-2x-5\}\\=x(6x^2+13x-5)

Now multiplying with x

= 6x^3+13x^2-5x

Degree of a polynomial is the highest exponent of variable in the polynomial.

In the acquired result, the highest exponent of x is 3 so the degree is 3.

Hence,

Result after multiplication of polynomial is: 6x^3+13x^2-5x

Degree of polynomial = 3

3 0
3 years ago
The times for three swimmers are 101.85 seconds, 101.6 seconds, and 59.625 seconds. Which is the winning time? how many seconds
bija089 [108]

Hello there! the winning time is 59.625 seconds.

This is the person who completed the lowest amount of time, meaning they finished first. The others too longer so they finished later, meaning they didn't win.

I hope this was helpful and have a great day! :)

3 0
3 years ago
How to expand (2x+1)(x+1)
Inga [223]
(2x+1)(x+1)
Now multiply 2x to both x and +1
2x^2+2x
Do the same with 1 multiply it to x and +1
2x^2+2x +x+1
Simplify
2x^2+3x+1
8 0
4 years ago
Read 2 more answers
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