All categories

3 years ago

Multiply using FOIL or Table method (x + 4) (x + 5)

Mathematics

1 answer:

mylen [45]3 years ago

5 0

Answer:

${x}^{2} + 9x + 20$

Step-by-step explanation:

1) Use FOIL method: (a + b) (c + d) = ac + ad + bc + bd.

${x}^{2} + 5x + 4x + 20$

2) Collect like terms.

${x}^{2} + (5x + 4x) + 20$

3) Simplify.

${x}^{2} + 9x + 20$

Therefor, the answer is x² + 9x + 20.

You might be interested in

Y = 3x +5 Y = 4x - 2 What is Y?

irga5000 [103]

X is 6 and y is 23 :)

3 0

3 years ago

An office building casts a shadow that is 55 m long. At the exact same time, a 5 m tree casts a shadow that is 1.1 m long. Use s

Veronika [31]

Answer:

would you need to divide them???

Step-by-step explanation:

5 0

3 years ago

3. f(-4) – 3.g(-2) =

Finger [1]

I got:
-2(2f-3g)

explanation:
used communicative property

6 0

3 years ago

Which is equivalent to - (2x - 5y ) ?

WITCHER [35]

Answer:

-2x+5y should be the answer

hope that helps

8 0

3 years ago

An internet service provider changes an initial fee of $65 and $18 per hour of labor for office internet installation. Which equ

OlgaM077 [116]

<h2>Answer:</h2><h2>The total cost (C) charged by the internet service provider = $65 + $18(n)</h2>

Step-by-step explanation:

Initial fee charged by the servic eprovider = $65

Cost per hour of labor for office internet installation = $18

The cost per hour be $18

Cost per two hours = 18 * 2 = $36

Cost per n number of hours = $18 (h)

where h represents the number of hours

The total cost (C) charged by the internet service provider = $65 + $18(n)

5 0

3 years ago