Doprowadź Wyrażenie do najprostszej postaci. a] a-(2a+3b)+b= b] (2a+3b)-(a+b)+(a-b)= c] ( [latex] 4x^{2} [/latex] +5x-3)- ( [latex] 5x^{2} [/latex] -3x-5)= d [latex] 10x^{2} [/latex]y-( [latex] 5x^{2} [/latex] y+y)-(2y+ [latex] 3x^{2} [/latex]y)= DAJ

a) a-(2a+3b)+b = a - 2a - 3b + b = 2b-a b) (2a+3b)-(a+b)+(a-b) = 2a + 3b - a - b + a - b = 2a + b c) (4x² + 5x - 3) - (5x²-3x-5) = 4x²+5x-3-5x²+3x+5 = -x²+8x+2 d) 10x²y - (5x²y+y) - (2y+3x²y) = 10x²y - 5x²y - y - 2y - 3x²y = 2x²y - 3y = y(2x²-3) prosze ;) 

[latex]a).a-(2a+3b)+b=a-2a-3b+b=-a-2b[/latex] [latex]b).(2a+3b)-(a+b)+(a-b)=2a+3b-a-b+a-b=2a+b[/latex] [latex]c).(4 x^{2} +5x-3)-(5 x^{2} -3x-5)=4 x^{2} +5x-3-5 x^{2} +3x+5=[/latex] [latex]=- x^{2} +8x+2[/latex] [latex]d).10 x^{2} y-(5 x^{2} y+y)-(2y+3 x^{2} y)=10 x^{2} y-5 x^{2} y-y-2y-3 x^{2} y=[/latex] [latex]=2 x^{2} y-3y[/latex]