Question

( 45 a^{3} b-30 a^{2} b^{2}+5 a b^{3} )
( Rightarrow 5 a bleft(9 a^{2}-6 a b+b^{2}right) )
( Rightarrow 5 a b(3 a-b)^{2} )

# Q4 Factorize each of the following: (i) x-10x²-53x - 42, using Factor Theorem (ii) 45ab - 30a2b2+ 5ab3; 16(2x - 1)2-25(x - 2)2; (iv) 512x3 + 729y3; (v) (2a - 3b)' + (36 - 4c) + (40 - 2a) (vi) 3V3a3-51563: (vii) py+ (py² +1) y+p (viii) 145 x² – 11 J5 x - 415 (ix) (x2 - 2x ) - 11(x-2x) + 24

Solution