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

Question

eburnhisel2023 eburnhisel2023

01-02-2019
Mathematics

contestada

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

Respuesta :

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ctyrector ctyrector · Answer 1 · 2019-02-01T03:55:34+01:00

ctyrector ctyrector

01-02-2019

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

Answer Link

wegnerkolmp2741o wegnerkolmp2741o · Answer 2 · 2019-02-01T03:59:16+01:00

wegnerkolmp2741o wegnerkolmp2741o

01-02-2019

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

Answer Link

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

Respuesta :

Otras preguntas

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