renj51 renj51
  • 17-01-2022
  • Mathematics
contestada

Expand and simplify
(2x + 5)^2

Respuesta :

Jason2018Tang Jason2018Tang
  • 17-01-2022

Answer:  4x^2 + 10x + 25

Step-by-step explanation:

(2x+5)^2 = (2x)^2 + 2(2x * 5) + 5^2

= 4x^2 + 10x + 25

Answer Link
brainsoft
brainsoft brainsoft
  • 17-01-2022

Answer:

[tex]{ \tt{ {(2x + 5)}^{2} }}[/tex]

» split the bracket to remove the power or the index:

[tex] = { \tt{(2x + 5)(2x + 5)}}[/tex]

» Use distributive property to open the brackets:

[tex] = { \tt{(4 {x}^{2} + 10x + 10x + 25)}} \\ = { \tt{( {4x}^{2} + 20x + 25) }}[/tex]

Answer Link

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