4 years ago

Expand and Simplify (2x+1)(x+3)

Mathematics

1 answer:

Illusion [34]4 years ago

3 0

Use FOIL, its the easiest way
First terms
Outer terms
Inner terms
Last terms

So you get
2x^2 + 7x + 3

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1. Determine the zeros of f(x) = x3 – 3x2 – 16x + 48? Somebody explain it please?:/

inn [45]

$x^{2} - 3x^{2} - 16x + 48 = 0$

$x^{2} (x - 3) - 16(x - 3) = 0$

$(x - 3) ( x^{2} - 16) = 0$

$(x - 3) (x - 4) (x + 4) = 0$

$x = -4, 3, 4$

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3 years ago

What is the value of this expression when b = 5? 6(26-4)

romanna [79]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Use synthetic division to evaluate f(x) = –2x^3+ 3x – 6 when x = -5.

fgiga [73]

Answer:

-131

Step-by-step explanation:

Use -5 in place of x

f(x) = –2x^3+ 3x – 6

f(x) = -2*-5^3+3*5-6

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3 years ago

F(x)=−x 2 −7x Find f(−10)

djyliett [7]

Answer:

What's '2−7x'

Step-by-step explanation:

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2 years ago

<img src="https://tex.z-dn.net/?f=%5Chuge%5Ccolor%7Byellow%7D%5Cunderline%20%5Ccolorbox%7Bviolet%7D%20%7B%5Ccolor%7Bred%7D%7BQUE

Paladinen [302]

Answer:

FALSE
TRUE
TRUE

Step-by-step explanation:

1.

Non-standard units can be used to measure volume
Examples : m³, in³, cm³, mm³, L

2.

The volume of a rectangular prism can be found by multiplying the length, width, and height
V = lwh

3.

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