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kirill [66]
3 years ago
10

Simplify (x − 4)(x2 + 3x + 5).

Mathematics
2 answers:
cestrela7 [59]3 years ago
8 0
D is the answer you need
Luden [163]3 years ago
6 0

The answer will be D

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Simplify 6x- 8y -5x + 3y
Cerrena [4.2K]
Combine like terms for x-5y
4 0
3 years ago
Select the correct answer from the choices given (13 4i) n = 0 what is n? 0 1 –13 4i –13 - 4i
Artemon [7]

The correct answer from the choices given will be -13 - 4i. The numerical part is the real number while the term containing i is the imaginary part.

<h3>What is the complex number?</h3>

A complex number is one that both a real and an imaginary component, both of which are preceded by the letter I which stands for the square root of -1.

The given complex number as;

\rm 13 + 4 i + n =0

By transfeering the left-hand side term to the right-hand side the sign will change. We will get the value of n as;

\rm n=-13 - 4i

Hence the correct answer from the choices given will be -13 - 4i.

To learn more about the complex number refer to the link;

brainly.com/question/10251853

7 0
2 years ago
X^2 + 6x - 5 = 2 <br> Factor please!
Talja [164]
First you subtract 2 from both sides
then you have <span>X^2 + 6x - 7
this can factor into x-1 and x+7
this is correct because both factors multiply to negative seven and add to six</span>
6 0
4 years ago
The figure shows a trapezium PQRS where RS = 17m and PS = 15m. If PT = 14m, and the area of trapezium is 196m2, Find the length
Semmy [17]

Answer:

PQ = 11 m

Step-by-step explanation:

In trapezium PQRS,

PQ and RS are parallel lines and PT is the perpendicular distance between the parallel lines

a = PQ

b =RS = 17 m

d = PT = 14 m

\frac{(a+b)*d}{2}= 196\\\\\frac{(PQ + 17)*14}{2}=196\\\\(PQ + 17) * 7 = 196\\\\PQ + 17 = \frac{196}{7}\\\\PQ + 17 = 28\\\\PQ = 28 - 17\\\\PQ = 11

6 0
3 years ago
Read 2 more answers
A=1/2 (a+b)h work out A if a=2 b=7 h=3
BartSMP [9]

Step-by-step explanation:

A =1/2(a+b)h

  • 1/2(2+7)3
  • 1/2×27
  • 13.5

hope it helps.

6 0
3 years ago
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