clumsyrosie
clumsyrosie clumsyrosie
  • 03-04-2021
  • Mathematics
contestada

Expand each of the following expression algebraic identities:
a) (7x+9)²
b) (1-3x)²
c) (5x+8) (5x-8)

Respuesta :

sandlanasandlana839
sandlanasandlana839 sandlanasandlana839
  • 03-04-2021

Answer:

a)49x^2+126x+81

b)3x^2-6x+1

c)25x^2-64

Step-by-step explanation:

a)(7x+9)(7x+9)

49x^2+63x+63x+81

49x^2+126x+81

b)(1-3x)(1-3x)

3x^2-3x-3x+1

3x^2-6x+1

c)(5x+8)(5x-8)

25x^2-40x+40x-64

25x^2-64

Answer Link

Otras preguntas

simplify expression.-3(k-4)-4(2k-8)
If 604-72=___,then 532+___=604.Explain the process of checking your work.
Write y= 3/4x + 1/2 in standard form. Thanks in advance. Also, could you please briefly explain how you did it, because these questions confuse me. Thank you. A
Who was the so-called new middle-class? What was the role of expertise and organization in this new professionalism?
What are the natural resources in venice,italy?
A six−sided die, with sides numbered 1,2, 3,4,5, and 6, is tossed. What is the probability of tossing a number less than three?
Suppose that 2 scientists use different measurement systems in their work. What problems might arise if they shared their data?
Explain why a mixed number is not in the set of intergers or whole numbers
Write equation in function form y-3x-11=0
What are the two largest ethnic groups in the united states today?