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Alecsey [184]
3 years ago
5

What i the product ? (2x-1)(x+4)​

Mathematics
2 answers:
Sloan [31]3 years ago
8 0

Answer:

2x² + 7x - 4

Step-by-step explanation:

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

2x(x + 4) - 1(x + 4) ← distribute both parenthesis

= 2x² + 8x - x - 8 ← collect like terms

= 2x² + 7x - 8

kogti [31]3 years ago
3 0

Answer:

2x^2+7x-4

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What is GH and DE? is there a picture lol
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Add up the answer first to see of these correct or incorrect, if incorrect explain why it is not equal.
Stells [14]

Answer:

1) incorrect

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Step-by-step explanation:

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x+x = x² ?

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3 years ago
In two or more complete sentences, compare the number of x-intercepts in the graph of f(x) =x2 to the number of x-intercepts in
Natalija [7]
Important:  Please use " ^ " to indicate exponentiation:

<span>"f(x) =x^2 to the number of x-intercepts in the graph of g(x) = x^2 +2."

Notes:  the graph of f(x) = x^2 is a vertical parabola that opens up.  It has its vertex at (0,0).  This is the only point at which f(x)=x^2 has a horiz. intercept.

g(x) = x^2 + 2 has a graph that looks the same as that of f(x) = x^2, EXCEPT that the whole graph is moved 2 units UP.  This new graph never touches or intersects the x-axis.  Therefore, g(x) has NO horiz. intercepts (no x-int.).

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7 0
4 years ago
Which expression is equivalent to 5^-2 x 5^5?
miskamm [114]

Answer:

5^3

Step-by-step explanation:

5^-2 * 5^5

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5^(-2+5)

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8 0
3 years ago
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MariettaO [177]

Answer:

21x-28

Step-by-step explanation:

When 7 is distributed across this equation, you get 21x and 28

5 0
4 years ago
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