cc1507999 cc1507999
  • 18-12-2020
  • Mathematics
contestada

how to factor
49y^{2}-9x^{2}

Respuesta :

devishri1977
devishri1977 devishri1977
  • 18-12-2020

Answer:

(7y + 3x)(7y - 3x)

Step-by-step explanation:

a² - b² = (a + b)(a - b)

49y² - 9x² = (7y)² - (3x)²                   {a = 7y ; b - 3x}

               = (7y + 3x)(7y - 3x)

Answer Link

Otras preguntas

Can someone please answer. There is one problem. There's a picture. Thank you
find the distance between (43, -15) & (29, -3). a. square root of 270, or 16.4 units b. square root of 340, or 18.4 units c. square root of 520, or 22.8 uni
Which point is on the circle described by (x - 2)2 + (y + 3)2 = 4? A. (2, -5) B. (2, 0) C. (0, 0) D. (1, -4)
which describes a significant difference between the north and the south in the years leading up to the civil war?
What is a primary when it comes to Presidential Election? PLEASE HELP I'M CONFUSED!?!
Can someone please answer. There is one problem. There's a picture. Thank you!
equal to voltage x current
what type of website advocates an individual or group's opinion or point of view?
Helppppp math is my worst subject
Convert 25 mg to unit HG