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victus00 [196]
2 years ago
9

If f(x) = x2 – 2x and g(x) = 6x + 4, for which value of x does (f + g)(x) = 0?

Mathematics
1 answer:
Artyom0805 [142]2 years ago
7 0

Answer:

The answer is second one (-2)

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B. Why does using FOIL on polynomial expressions match so closely to integer
Anastasy [175]
FOIL is a mnemonic rule for multiplying binomial (that is, two-term) algebraic expressions.
FOIL abbreviates the sequence "First, Outside, Inside, Last"; it's a way of remembering that the product is the sum of the products of those four combinations of terms.

For instance, if we multiply the two expressions
(x + 1) (x + 2)
then the result is the sum of these four products:
x times x (the First terms of each expression)
x times 2 (the Outside pair of terms)
1 times x (the Inside pair of terms)
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and so
(x + 1) (x + 2) = x^2 + 2x + 1x + 2 = x^2 + 3x + 2
[where the ^ is the usual way we indicate exponents here in Answers, because they're hard to represent in an online text environment].

Now, compare this to multiplying a pair of two-digit integers:
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= 1200 + 90 + 280 + 21
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The reason the two processes resemble each other is that multiplication is multiplication; the difference in the ways we represent the factors doesn't make it a fundamentally different operation.
7 0
3 years ago
What dose this equation equal ? -8x+4+(-3)=?
Marianna [84]
-8x+1 is the answer
3 0
3 years ago
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30+5y_>4x I need the answer ASAP
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5 0
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Jasmine by 32 kiwi fruit for $16.How many kiwi can lisa buy if she has $6
zimovet [89]
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5 0
2 years ago
05.06)Which net represents the pyramid below? The image of a square pyramid. A hexagon with a triangle connected with a dotted l
navik [9.2K]

Answer:

A square with a triangle connected to each side with a dotted line.

Step-by-step explanation:

we know that

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so

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A square with a triangle connected to each side with a dotted line.

see the attached figure to better understand the problem

3 0
2 years ago
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