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3 years ago

What is the benefit of using expressions in math?

Mathematics

2 answers:

atroni [7]3 years ago

8 0

Answer:

To help you understand the problem with out actually doing the work, you are just writing it out.

Step-by-step explanation:

Greeley [361]3 years ago

5 0

Answer:

The benefits of using expressions in math is to know what you are supposed to be using to solve your problem. Expression area good use too also for word problems!!

Step-by-step explanation:

<u><em>Plz mark Brainlist!!!</em></u>

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Answer:

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Step-by-step explanation:

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3 years ago

What is the answer to [(x²+4x)-2]²

Rudik [331]

Answer:

$x^{4}$ + 8x³ + 12x² - 16x + 4

Step-by-step explanation:

Given

[(x² + 4x) - 2 ]² ← simplify contents of bracket

= (x² + 4x - 2)² = (x² + 4x - 2)(x² + 4x - 2)

Each term in the second factor is multiplied by each term in the first factor, that is

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6 0

3 years ago

P(x)=(x-2)(x-3)(x+7) find the constant term

hram777 [196]

Short method: multiply constants
$= ( - 2) \times ( - 3) \times (7) \\ = 6 \times 7 \\ = 42$

Long mothod: expand it
$= ( {x}^{2} - 5x + 6)(x + 7) \\ = ... \\ = ... + 42$

Answer: 42

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Step-by-step explanation:

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