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evaluate the algebraic expressions

1. 3abc+bc-a
2.bxy+5ab-ay
3.abz-8z+b
4.ax+by-cz
5.4ax+cz
6.3x2+2xy-3(ab)2
7.25-2x2y+3a2b-az2
8.(az)2+5x2y-4bc
9.2x2y2-12abz-16
10.8z3-4x+y2​