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: (a+ 2b)2 - a2
Factorise: 4(2a + b)2 - (a - b)2
Factorise: 75(x + y)2 - 48(x - y)2
Factorise: a2 + 4a + 4 - b2
factorise : a2 - (b - c)2
Factorise: `9x^2 - 1/16`
Factorise: 25(a - 5b)2 - 4(a - 3b)2
Evaluate (using factors) : 3012 x 300 - 3003.
