Answer:
Step-by-step explanation:
To find this equation in standard form, first, write it in factored form. This looks like 
. Then, multiply the polynomials using the FOIL (First, Outside, Inside, Last) method.
- Following the FOIL method, you should multiply the first terms in each binomial,
, which equals 
. - Then, the outside terms,
. This equals 
. - Next, the inside terms,
. - Finally, the last terms,
, this equals 
.
Then, add all of the terms together 
. To get the standard form, combine like terms, this comes out to .
Answer:
A) YXWZ
Step-by-step explanation:
W) 57.4*10^4 = 574 000
X) 5.11*10^5 = 511 000
Y) 0.17*10^6 = 170 000
Z) 7.3*10^5 = 730 000
Y, X, W, Z: A
7x + 5(x + 3) + 4x + x + 2 =
= 7x + 5x + 15 + 4x + x + 2 = 17x + 17
Answer:x=11
Step-by-step explanation:
Answer:
7 - 3 i
Step-by-step explanation:
Simplifying
(3 + -2i) + (4 + -5i) = 0
Remove parenthesis around (3 + -2i)
3 + -2i + (4 + -5i) = 0
Remove parenthesis around (4 + -5i)
3 + -2i + 4 + -5i = 0
Reorder the terms:
3 + 4 + -2i + -5i = 0
Combine like terms: 3 + 4 = 7
7 + -2i + -5i = 0
Combine like terms: -2i + -5i = -7i
7 + -7i = 0
Solving
7 + -7i = 0
Solving for variable 'i'.
Move all terms containing i to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + -7i = 0 + -7
Combine like terms: 7 + -7 = 0
0 + -7i = 0 + -7
-7i = 0 + -7
Combine like terms: 0 + -7 = -7
-7i = -7
Divide each side by '-7'.
i = 1
Simplifying
i = 1
