Math, asked by noori3933, 9 months ago

factorise the following

25a²-4b²+28bc-49c²
please answer it fast

Answers

Answered by rajaryan13022007

1

Answer:

$(5a+2b-7c)(5a-2b+7c)$

Step-by-step explanation:

25a²-4b²+28bc-49c²

=> $(5a)^{2} - [(2b)^{2} - (2*2b*7c) + (7c)^{2}]$

=> $(5a)^{2} - (2b-7c)^{2}$

=> $(5a+2b-7c)(5a-2b+7c)$

Previous Question

Next Question

Similar questions

English, 4 months ago

Read these paragraphs and answer the question that follows: In 2008, more than one million American students gave nearly 20 million service hours to their communities. They made a difference in people's lives and learned some important life lessons in the process. Organizations, including schools, are actively promoting service for all citizens as a way to be involved, help others, and improve...

Math, 4 months ago

3. In Fig 7.33, BD and CE are altitudes of AABC such that BD=0 (i) State the three pairs of equal parts in ACBD and ABCE.

Biology, 4 months ago

introduction for class 9 biology project...

Math, 9 months ago

find the mean of no. 4,8,4,7,13,19,11,20,20,7,19,12,12,15,15,17,18,12,18,13...

Math, 9 months ago

d) 7,00,74,095; 6,70,42,095: 6,09,45,029; 6,09,32,094; 5,20,94,902 II Write the successor and predecessor of each number. a) 7,67,84,895 b) 1,58,90,281 C) 9,38,75,659 d) 3,89,02,499 e) 3,52,06,419 f) 5,77,94,815 g) 8,58,90,281 h) 5,69,93.87 i) 9,03,89,249 j) 1,30,96,524 k) 21, 97, 63,145 1) 76,00,00,00,012...

English, 1 year ago

Fill in the blanks with correct forms of verbs given in brackets. It has been well(a)______(say) that forests precede mankind ;deserts(b)______(follow). The world's ancient patrimony of tropical forests is now (c)_____(erode)at the rate of forty to fifty million acres a year.

Math, 1 year ago

solve this from Question 5.

Physics, 1 year ago

how much distance the electron would cover in 1 sec.