Advertisement Remove all ads
Advertisement Remove all ads
Sum
factorise: 15(5x - 4)2 - 10(5x - 4)
Advertisement Remove all ads
Solution
15(5x - 4)2 - 10(5x - 4)
= 5(5x - 4) [3(5x - 4)2 - 2]
= 5 (5x - 4) [3 (25x2 - 40x + 16) - 2]
= 5(5x - 4) (75x2 - 120x + 46)
Concept: Factorisation by Grouping
Is there an error in this question or solution?
Advertisement Remove all ads
APPEARS IN
Advertisement Remove all ads