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Elenna [48]
3 years ago
9

Perform the indicated operation and write the result in the form . 2(i-14)-i(i+1)

Mathematics
2 answers:
Gnom [1K]3 years ago
7 0

Answer:

The simplified form of given expression is -27+i.

Step-by-step explanation:

The given expression is

2(i-14)-i(i+1)

Use distribution property, to simplify the given expression,

2(i-14)-i(i+1)=2(i)-2(14)-i(i)-i(1)

2(i-14)-i(i+1)=2i-28-i^2-i

2(i-14)-i(i+1)=2i-28-(-1)-i              [\because i^2=-1]

Combine like terms,

2(i-14)-i(i+1)=(-28+1)+(2i-i)

2(i-14)-i(i+1)=-27+i

Therefore the simplified form of given expression is -27+i.

lesantik [10]3 years ago
3 0

Answer:

i-27

Step-by-step explanation:

We have given an expression .

2(i-14)-i(i+1)

We have to simplify it.

Distribute 2 over first parentheses  and -i over second parentheses

2(i)+2(-14)+(-i)(i)+(-i)(1)

2i-28-i²-i

Since, we know that

i²  = -1

2i-28-(-1)-i

2i-28+1-i

Add like terms

(2-1)i+(-28+1)

(1)i+(-27)

i-27 which is the answer.

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