2 years ago

N order to write an expression like (5x + 4)3 in expanded form, it helps to look at (5x + 4) as just one number, n.

1 answer:

6 0

The expression (5x + 4)^3 in expanded form is 125 x3 + 300 x2 + 240 x + 64. The expression will have also a root of x = -4/5. This is the form of trinomial expansion and can be solve by multiplying the the term 3 times.

You might be interested in

The number 16 has four fourth roots. In other words, there are four complex numbers that can be entered in the square in the equ

Tems11 [23]

Answer:

Step-by-step explanation:

Hello, we know that the z complex solutions of

$z^4=1$

are

1, i, -1, -i

so, the solutions of $z^4=16=2^4$ are

2, 2i, -2, -2i

Thank you

3 0

3 years ago

3. Jose has $400 in his bank account at the beginning of the year. Each month, he deposits $45 into his account. He does not wit

liq [111]

T = 45m + 400

I hope this is correct it seems like the most logical explanation.

Happy Valentine’s day! I hope I helped and have a nice day! C: <3

5 0

3 years ago

Read 2 more answers

2.(3x²-5)-5=9<br> Ayuda/help

Viefleur [7K]

Answer:

Step-by-step explanation:

2(3x²-5)-5=9

6x²-10-5=9

6x²-15=9

6x²=9+15

6x²=24

x²=24/6

x²=4

x=2

3 0

2 years ago

7: -5 = 0.25(4 + 20r) - 8r

Nonamiya [84]

The answer is r = 2. hope this helps :)

4 0

3 years ago

A ship travels 200 miles due west, then adjusts its course 30° north of west. The ship continues on this course for 30 miles. Ap

earnstyle [38]

Answer:

The answers D on Edg

Step-by-step explanation:

Just finished the test

5 0

3 years ago