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2 years ago

64x-16 I need 3 equivalent expressions

Mathematics

1 answer:

Daniel [21]2 years ago

6 0

Answer:

8 (8x - 2)

(64) x X - 16

4 (16 x- 4)

Step-by-step explanation:

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QUICK!! 18x^2+21x-60=0 pls give me the steps as well

Anton [14]

Answer:

$x2 = \frac{4}{3}$

Step-by-step explanation:

$18 {x}^{2} + 21x - 60 = 0$

Divide both sides of the equation by 3

$6 {x}^{2} + 7x - 20 = 0$

Write 7x as a difference

$6 {x}^{2} + 15x - 8x - 20 = 0$

Factor out 3x from the expression

$3x(2x + 5) - 8x - 20 = 0$

Factor out -4 from the expression

$3x(2x + 5) - 4(2x + 5) = 0$

Factor out 2x + 5 from the expression

$(2x + 5)(3x - 4) = 0$

When the product of factors equals 0 , at least one factor is 0

$2x + 5 = 0$

$3x - 4 = 0$

Solve the equation for X

$2x + 5 = 0$

Move constant to R.H.S and change its sign

$2x = 0 - 5$

Calculate the difference

$2x = - 5$

Divide both sides of the equation by 2

$\frac{2x}{2} = \frac{ - 5}{2}$

Calculate

$x 1= - \frac{5}{2}$

Again,

$3x - 4 = 0$

Move constant to RHS and change its sign

$3x = 0 + 4$

Calculate the sum

$3x = 4$

divide both sides of the equation by 3

$\frac{3x}{3} = \frac{4}{3}$

Calculate

$x 2= \frac{4}{3}$

Hope this helps..

Best regards!!

5 0

3 years ago

Read 2 more answers

There is a line whose slope is 1/6 and whose y-intercept is 4. what is its equation in slope intetecept form?

Stolb23 [73]

Answer:
y = $\frac{1}{6}$ x + 4

Explanation:
The equation of the lone has a general formula:
y = mx + c
where:
m is the slope of the line = 1/6
c is the y-intercept = 4

Substitute with the givens in the above formula to get the equation as follows:
y = mx + c
y = $\frac{1}{6}$ x + 4

Hope this helps :)

6 0

3 years ago

Read 2 more answers

Use the formula for continuous compounding to compute the balance in the account after 1, 5, and 20 years.? Also, find the APY f

taurus [48]

Answer:

Step-by-step explanation:

Check the attachment