4 years ago

11/x^2+3x+2 and 1/x+2 find the lcd

Mathematics

1 answer:

nydimaria [60]4 years ago

5 0

Answer:

(x + 1)(x + 2)

Step-by-step explanation:

Factorise the denominator of the first fraction

x² + 3x + 2 = (x + 1)(x + 2) ← in factored form

The denominator of each fraction must be able to divide into the lcd

Hence lcd is (x + 1)(x + 2)

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What is the factored form of the following expression?<br> x^2-10xy+21y^2

valentinak56 [21]

The answer would be (x-3y) (x-7y)
You have to group them together

4 0

3 years ago

Which ordered pair is a solution for 3x - 1 = y?

KATRIN_1 [288]

Answer: A (2,5)

Step-by-step explanation: Remove Parenthesis

y = 3 (2) - 1

Simplify 3 (2) - 1

Multiply 3 by 2

y = 6 - 1

Subtract 1 from 6

y = 5

Use the x and y values to from the ordered pair.

(2,5)

7 0

3 years ago

Read 2 more answers

IMPORTANT!!!

AURORKA [14]

C & A I believe because 2+3 is 5 so that’s 5x

5 0

3 years ago

What's the answer for (2+i)(i+2i)?

slava [35]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{3 {i}^{2} + 6i}}}}}$

Step-by-step explanation:

$\sf{(2 + i)(i + 2i)}$

Use the distribute property to multiply each term of the first binomial by each term of the second binomial.

⇒ $\sf{2(i + 2i) + i(i + 2i)}$

⇒ $\sf{2i + 4i + {i}^{2} + 2 {i}^{2} }$

Collect like terms

⇒ $\sf{3 {i}^{2} + 6i}$

Hope I helped!

Best regards!

4 0

4 years ago

Round off then estimate 18.9*5.2

Nataly [62]

18.9 rounded is 19
5.2 rounded is 5

19 * 5 = 95

7 0

3 years ago