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Alex777 [14]
3 years ago
7

Factor: 3x4 + 9x3 -30x2

Mathematics
2 answers:
sleet_krkn [62]3 years ago
6 0

Answer:

3x²(x - 2)(x + 5)

Step-by-step explanation:

Step 1: Factor GCF

3x²(x² + 3x - 10)

Step 2: Factor Quadratic

3x²(x - 2)(x + 5)

pickupchik [31]3 years ago
4 0

Answer:

3x^2(x - 2)(x + 5).

Step-by-step explanation:

3x^4 = 3 * x * x * x * x

9x^3 = 3 * 3 * x * x * x

-30x^2 = -1 * 2 * 3 * 5 * x * x

All three terms have a 3 and two x's.

3 * x * x (x * x + 3 * x - 2 * 5) = 3x^2(x^2 + 3x - 10)

x^2 + 3x - 10 = x^2 + 5x - 2x - 10 = (x - 2)(x + 5)

So, 3x^2(x - 2)(x + 5)

Hope this helps!

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HELP
VLD [36.1K]

Answer:

a = 600

b = 1200

Step-by-step explanation:

a =,

600 = 100%

60 = 10%

with simple interest you add the original ten percent each time so,

600+60+60+60+60+60 etc....

or

you could do 600 x 1.1¹⁰

they both work the same

b = 600 + (ans of a)

6 0
2 years ago
9 (c - 6) = 63 what is the value of c
klasskru [66]
9 (c - 6) = 63
9c - 54 = 63
9c = 117
c = 13
6 0
3 years ago
Read 2 more answers
Which expression shows the result of applying the distributive property to 3(2x−6)3(2x−6) ?
bazaltina [42]
If you are distributing 3(2x-6) then you would do it this way: 
(3 x 2x)(3 x (-6)) 
(6x) (-18)
6x-18 (you can simplify this by dividing by 6)
x-6 would be your answer but I don't see it as one of the options. Are all of these options typed out correctly? 
4 0
4 years ago
Read 2 more answers
When a number is decreased by 20% of itself, the result is 56 what is the number?
coldgirl [10]

Hey there!!

Let us take the number as ' x '

20% of x

= (20/100) × ( x )

= ( 1/5 ) × ( x )

= x/5

The number is decreased by 20% of itself

x - x/5 = 56

5x - x / 5 = 56

4x/5 = 56

Multiplying by 5 on both sides

5x = 56 × 5

5x = 280

dividing by 5 on both sides

4x / 4 = 280 / 4

x = 70

The number is 70

Hope my answer helps!



6 0
4 years ago
Consider the following function:
Yakvenalex [24]

Answer:

all real numbers except -1 and 1

Next question is the first two boxes “infinity & negative infinity” on edge.

Step-by-step explanation:

8 0
3 years ago
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