Advertisements
Advertisements
Question
Factorise: (5a - 3b)2 - 16b2
Sum
Advertisements
Solution
(5a - 3b)2 - 16b2
= (5a - 3b)2 - (4b)2
= (5a - 3b + 4b) (5a - 3b - 4b)
= (5a + b) (5a - 7b)
shaalaa.com
Factorisation by Difference of Two Squares
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise: 4x2 - 81y2
Factorise: `4/25 - 25b^2`
Factorise: 25(2x + y)2 - 16(x - y)2
Factorise: 49(x - y)2 -9(2x + y)2
Factorise: `(7 3/10)^2 - (2 1/10)^2`
Factorise: a2 + 4a + 4 - b2
factorise : 16(5x + 4)2 -9(3x - 2)2
Factorise: 25(a - 5b)2 - 4(a - 3b)2
Factorise: 15(2x - y)2 - 16(2x - y) - 15
Evaluate (using factors) : 3012 x 300 - 3003.
