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mr_godi [17]
3 years ago
9

Find the value of this expression if x = -4. x2 – 7 x + 1

Mathematics
1 answer:
Eduardwww [97]3 years ago
3 0

Answer:

First one equals -15

Second one equals -3

Step-by-step explanation:

(-4)*2 - 7

= (-8) - 7

= (-15)

(-4) + 1

= (-3)

Hopefully this helps.

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Step-by-step explanation:

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Find the area of the rectangle below by multiplying its length and width.
wariber [46]

Hello!

When multiply binomials together, we should use the FOIL method.

The FOIL method is an acronym for First, Outer, Inner, and Last.

First, let's set up the expression.

(7x - 1)(3x - 2)

Now, we can multiply in accordance with the FOIL method.

First: 7x · 3x = 21x²

Outer: 7x · -2 = -14x

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Last: -1 · -2 = 2

Now, we simplify the inner terms.

21x² - 14x - 3x + 2

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Therefore, the area of the rectangle is 21x² - 17x + 2.

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The equation,y = 225x + 200, represents the cost,y, students must pay to play x sports, as long as the athlete's family has join
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Step-by-step explanation:

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