Advertisements
Advertisements
Question
Factorise: 16 - 9x2
Sum
Advertisements
Solution
16 – 9x2
= (4)2 – (3x)2
= (4 + 3x) (4 – 3x) ...[a2 – b2 = (a + b) (a – b)]
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: (5a - 3b)2 - 16b2
Factorise: 75(x + y)2 - 48(x - y)2
factorise : 25(2x - y)2 - 16(x - 2y)2
factorise : 16(5x + 4)2 -9(3x - 2)2
factorise: 25(x - 2y)2 - 4
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.
