2 years ago

Solve the equation. 9x^3 - 36x = 0

Mathematics

1 answer:

inessss [21]2 years ago

5 0

Answer:

x = -2,0,2

Step-by-step explanation:

9x^3 - 36x = 0

Factor out 9x

9x(x^2 -4) =0

Factor inside the parentheses, which is the difference of squares

(a^2 -b^2 = (a-b)(a+b)

9x (x-2)(x+2) = 0

Using the zero product property

9x =0 x-2=0 x+2 =0

x=0 x=2 x=-2

x = -2,0,2

You might be interested in

DRAW tHE MISSsiNG NOTE IN THE BLANK IN COmPLEtE EACH mEASURE

miss Akunina [59]

Answer:

This is me drawing notes in the blank

Doodle* doodle* drawing noise* drawing noise* There you go ;)

4 0

2 years ago

If ∠2 and ∠3 are complementary angles and m∠2 = 24°, find m∠3.

Yuliya22 [10]

Answer:

sorry dont know

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Help i don’t know how to do this

lyudmila [28]

Answer:

ok so first you add all the prices together.

$9:00+$7:00+$8:00+$6:00+$4:00=34

then divide 34 by the number of prices.

34/5

then you get the mean

$6.8 is the mean

Step-by-step explanation:

7 0

2 years ago

What is the area of the trapezoid

kodGreya [7K]

The answer is c
The are of the trapezoid is c bc that’s the answer I got and it was right

4 0

3 years ago

Read 2 more answers

Becky accepted a job as an inventory manager after being offered an $800 signing bonus. If she makes $23 an hour, which equation

dusya [7]

Y = 23x + 800 (Apex)

6 0

2 years ago