3 years ago

Factorise x^2 + x - 12

Mathematics

2 answers:

icang [17]3 years ago

7 0

Answer:

(x+4)(x-3)

Step-by-step explanation:

I'm italian. I used a formula that we Italians call "somma e prodotto". Tell me if it's correct.

MrMuchimi3 years ago

4 0

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mixas84 [53]

Let's see what we're working on here

$\frac{1}{2} - 2(m) =?$
? = 0
$Simplify this →$ $\frac{1}{2}$

$\frac{1}2y} - 2(m) = ?$

$\frac{2(m)(2)}{2}$

$\frac{1 - 4(m)}{2} = ?$

$\frac{1 - 4(m)}{2} = 2$

$-4(m) + 1 = 0$
Subtract ( - )the number 1 from each of your sides on this part

4(m) = 1
Multiply( ×) the number -1 to your sides for this part of the equation

Therefore, the value of m is $\frac{1}{4}$
$m = \frac{1}{4}$

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3 years ago

Read 2 more answers

Draw graphs of the following lines: The line through the origin having a slope of 1/4

KengaRu [80]

I think its 1 on the graph correct me if im wrong

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3 years ago

Find the value of f(12) if f(x)=-2x+4

Contact [7]

Answer:

f(12) = - 20

Step-by-step explanation:

To evaluate f(12), substitute x = 12 into f(x), that is

f(12) = - 2(12) + 4 = - 24 + 4 = - 20

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3 years ago

What is the name of segment BD ?!

Alenkasestr [34]

Answer:

diameter

Step-by-step explanation:

BD is the diameter of the circle.

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3 years ago