Solve this.?

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Solve these two questions.
Find the sum of the expression: a+b+c, 2b-c, 3c+a . Subtract: x[5x-3(x-1)] from 4x-4[2(x-3)-x(2x-5)] .

2007-01-06 21:36:51 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

1) 2a+3b+3c
2)4x-8x+24+8x^2-20x-5x^2+3x^2-3
=6x^2-24x+21

2007-01-06 21:43:01 · answer #1 · answered by Maths Rocks 4 · 0⤊ 0⤋

(a+b+c)+(2b-c)+(3c+a) = 2a+3b+3c

x[5x-3(x-1)] - (4x-4[2(x-3)-x(2x-5)]) = -6x^2 + 27x - 24

2007-01-07 05:55:02 · answer #2 · answered by ayman_eng2006 1 · 0⤊ 0⤋

1. 2a+3b+3c

2.6x^2-27x+24

2007-01-07 06:55:24 · answer #3 · answered by Saphira 3 · 0⤊ 0⤋

what math dude said

2007-01-07 05:46:48 · answer #4 · answered by misstress n 3 · 0⤊ 0⤋