kumarmaanvi81
kumarmaanvi81 kumarmaanvi81
  • 16-05-2020
  • Mathematics
contestada

factorise 2d^2-98 completely​

Respuesta :

hfranc hfranc
  • 16-05-2020

Answer:

Hello,

2 (d + 7) (d - 7)

Step-by-step explanation:

2 d² - 98 = 2 (d² - 49) = 2 (d² - 7²)

a² - b² = (a + b) (a - b)

2 (d² - 7²) = 2 (d + 7) (d - 7)

Answer Link
avalangdon101
avalangdon101 avalangdon101
  • 16-05-2020

2(d^2-49)


2(d-7) x (d+7)


Answer Link

Otras preguntas

How long does it take a newborn calf to start running and why?
how did stalin's view of communism differ from that of Lenin?
How did the slave trade affect Africa? a. It helped the economy of most empires b. It eliminated the cycle of debt. c. It destroyed many existing empires. d. It
How many right angles are there in 270 degrees
Mike has a 9 foot long board. He needs to cut it into 12 equal parts. How many feet long should each section be?
Which commodity was so valuable to people of the Ghana Empire that it was used as a form of money? A. iron B. salt C. cotton D. water
How do single-celled decomposers get energy? A. They make their own food. B. They use a process called budding, C. They feed on living organisms. D. They break
How many right angles are there in 270 degrees
Suppose you write a book. The printer charges $4 per book to print it, and you spend $5500 on advertising. You sell the book for $15 a copy. A. How many copies
turn 7/16 into a decimal