payshencec21
payshencec21 payshencec21
  • 18-01-2019
  • Mathematics
contestada

please help asap 15 pts + brainliest to right/best answer

please help asap 15 pts brainliest to rightbest answer class=

Respuesta :

Ammimochi
Ammimochi Ammimochi
  • 18-01-2019

Rewrite it in the form a^2 + 2ab + b^2, where a = 2x and b = 3

(2x)^2 + 2(2x)(3) + 3^2

Use the Square of Sum: (a + b)^2 = a^2 + 2ab + b^2

(2x + 3)^2

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 18-01-2019

Answer:

(2x+3) ^2

Step-by-step explanation:

4x^2 + 12x+9

This is the sum of squares

(a+b) ^2 = a^2 + 2ab+ b^2

let a = 2x  and b=3

a^2 = (2x) ^2 = 4x^2

2ab = 2*2x*3 = 12x

b^2 =9

so 4x^2 + 12x+9  factors into (2x+3) ^2

Answer Link

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