MATHEMATICS HIGH SCHOOL

What is the product? (2x – 1)(x 4)?

Answers

Answer 1

Answer:

Answer:

$2x^2+7x-4$

Step-by-step explanation:

The distributive says that:

$a \cdot(b+c) = a\cdot b+ a\cdot c$

To find the product of :

$(2x-1)(x+4)$

then;

$2x(x+4)-1(x+4)$

Using distributive property we have;

$2x^2+8x-x-4$

Combine like terms;

$2x^2+7x-4$

Therefore, the product of $(2x-1)(x+4)$ is, $2x^2+7x-4$

Answer 2

Answer:

The product of (2x - 1)(x + 4) is $2x^2 + 7x - 4$ .

Here, we have,

To find the product (2x - 1)(x + 4), we need to use the distributive property to multiply each term in the first expression (2x - 1) by each term in the second expression (x + 4).

Using the FOIL method (First, Outer, Inner, Last), we multiply the corresponding terms:

$(2x) * (x) = 2x^2$ (First terms)

(2x) * (4) = 8x (Outer terms)

(-1) * (x) = -x (Inner terms)

(-1) * (4) = -4 (Last terms)

Now, we combine the products:

$2x^2 + 8x - x - 4$

Simplifying further:

$2x^2 + 7x - 4$

So, the product of (2x - 1)(x + 4) is $2x^2 + 7x - 4$ .

To learn more on multiplication click:

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complete question:

What is the product? (2x – 1)(x + 4)=?

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Answers

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Answers

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Derive the equation of the parabola with a focus at (2, 4) and a directrix of y = 8.

Answers

Answer:

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If 30 percent of a numbers equlas 8 find 90 percent of that number

Answers

Answer:

Step-by-step explanation:

So 30% of the a number is 8.

Lets call this number x

So we write this down as 30/100 of X=8

by cross multiplying you get X=26.67

So 90/100 of 26.67=24.003

You can choose to write both your answers as fractions if you are not allowed to use decimals!

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Answers

$5.63 * {10}^( - 6)$

To convert into decimal, move the decimal to the left by 6 positions.

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Answers

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