3 years ago

Please provide all steps given to find the answer. Thanks!!! Simplify: 5(2x+9)²

Mathematics

2 answers:

guajiro [1.7K]3 years ago

7 0

Answer:

20x^2 + 180x +405

Step-by-step explanation:

5(2x+9)²

5 ( 2x+9) (2x+9)

FOIL

first

2x*2x = 4x^2

outer: 2x*9 = 18x

inner 2x*9 = 18x

last : 9*9 = 81

Add these together : 4x^2 + 18x+18x +81 = 4x^2+36x+81

5( 4x^2+36x+81 )

20x^2 + 180x +405

gulaghasi [49]3 years ago

4 0

Answer:

20x²+180x + 405

Step-by-step explanation:

Follow PEMDAS to know what you do first

square (2x + 9) by foiling

(2x+9) (2x + 9)

= 4x²+ 36x + 81

Multiply by 5

20x²+180x + 405

You might be interested in

Gary used candle molds, as shown, to make candles that were perfect cylinders and spheres:What is the approximate difference in

Nikolay [14]

The correct answer is 16.7

Hope this helped :)

6 0

3 years ago

Janelle ate 4/5 of her graham cracker. Paul ate 3/5 of his graham cracker. The graham crackers were the same size.

sergij07 [2.7K]

1/5 less than janelle

6 0

3 years ago

The table shows value for the function f, while the graph shows function g.

Sauron [17]

Answer:

Step-by-step explanation:

A is the right answer

f has the greater slope, 3. The slope of g is 2.

plz mark me Brainliest

3 0

3 years ago

A=214<br> b=35<br> c=128<br> d=107

hram777 [196]

Answer:

d=107

Step-by-step explanation:

7+5^2 *4

PEMDAS

Since there are no parentheses, we do exponents next

7+25*4

Then we multiply

7+100

Then we add

107

7 0

3 years ago

Read 2 more answers

Which one better second time-

stira [4]

Todoroki for sure

He’s the best! He looks so precious and cute

5 0

3 years ago