Factorise the following
1. x2 + 9x + 18
2. 2x3-3x2-17x +30
3.9x2+4y2+16z2+12 xy -16yz-24xz
4. 1+64x2
Simplify (2x-5y)3-(2x +5y)3
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SIMPLIFY (2x-5y) 3-(2x+5y)3
nelvin2606:
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