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Misha Larkins [42]
4 years ago
11

What is the answer to this math equation(x+5)(x²-3x)​

Mathematics
1 answer:
Nikolay [14]4 years ago
8 0

Answer:

x=-5\\x=0\\x=3

Step-by-step explanation:

I assume your equation to solve is

(x+5)(x^2-3x)=0

When we have a product of two factors equal to zero,

A\cdot B = 0

The solution is either A = 0 or B = 0.

In this case, this means that we can break the equation into two equations:

x+5=0\\x^2-3x=0

Solving the first one, we get:

x+5=0 \rightarrow x = -5

For the second one, we rewrite it as:

x^2-3x=0\\x(x-3)=0

And we see that this equation has two solutions:

x=0\\x=3

Therefore, the three solutions are:

x=-5\\x=0\\x=3

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A car travels at 65 miles per hour. Going through construction , it travels at 3/5 this speed. Write this fraction as a decimal
Georgia [21]
<span>Thirty nine miles per hour  

Hope this helps.!! :)</span>
4 0
4 years ago
What is the factorization of 3x2 – 8x + 5?
ELEN [110]

we have

3x^{2} -8x+5

Equate the expression to zero to find the roots

3x^{2} -8x+5=0

Group terms that contain the same variable, and move the constant to the opposite side of the equation

3x^{2} -8x=-5

Factor the leading coefficient

3(x^{2} -(8x/3))=-5

Complete the square. Remember to balance the equation by adding the same constants to each side.

3(x^{2} -(8x/3)+(16/9))=-5+(16/3)

3(x^{2} -(8x/3)+(16/9))=(1/3)

Rewrite as perfect squares

3(x-(4x/3))^{2}=(1/3)

(x-(4x/3))^{2}=(1/9)

square roots both sides

(x-\frac{4}{3})=(+/-) \sqrt{\frac{1}{9}}

x=\frac{4}{3}(+/-) \frac{1}{3}

the roots are

x=\frac{4}{3}+ \frac{1}{3}=\frac{5}{3}

x=\frac{4}{3}- \frac{1}{3}=\frac{3}{3}=1

so

3x^{2} -8x+5=3(x-\frac{5}{3})(x-1)=(3x-5)(x-1)

therefore

<u>the answer is the option</u>

(3x-5)(x-1)

6 0
3 years ago
Read 2 more answers
A + b = 10 a - b = 2
Aliun [14]

Answer:

Step-by-step explanation:

7 0
3 years ago
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X^2-5x-36:factorize it
aliina [53]
In factorizing its 36 my dude. Im sure just took the test




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3 years ago
An angle measures 102° less than the measure of a supplementary angle. what is the measure of each angle?
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The angle measures 78 as 180-102 is 78 (180 is the degree of a supplementary angle)
5 0
4 years ago
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