1.

(b) From the sum of 4 + 3x and 5 4x +2x*, subtract the sum of 3x-5x and-x22x. +5.

Answer»

Sum of 4+3x and 5---4+3x+5=9+3xAnd sum of 3x^2-5x-x^2+2x+5=2x^2-3x+5Now subtract bothhence9+3x-2x^2+3x-5=-2x^2+6x+4



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