Factorise 5(a+2b)square-7(a+2b)+2
Answers
Answered by
26
5(a+2b)²- 7(a+2b) +2
=5(a+2b)² -5(a+2b) -2(a+2b) +2
=5(a+2b)[(a+2b)-1] -2[(a+2b)-1]
=(a+2b-1)(5a+10b -2)
=5(a+2b)² -5(a+2b) -2(a+2b) +2
=5(a+2b)[(a+2b)-1] -2[(a+2b)-1]
=(a+2b-1)(5a+10b -2)
Answered by
1
Answer:
=(a+2b-1)(5a+10b -2)
Step-by-step explanation:
5(a+2b)²- 7(a+2b) +2
=5(a+2b)² -5(a+2b) -2(a+2b) +2
=5(a+2b)[(a+2b)-1] -2[(a+2b)-1]
=(a+2b-1)(5a+10b -2)
Similar questions