1.
а) -2,4 a^3*b^2 - 0.9a^2*b^3
б) 3x^2 - 6ax - 6a^2 + 6ax = 3x^2 - 6a^2
2.
A) 7 + 4x - 8 - 3x + 3 = 0
x = -7 +8 -3
x = -2.
Б) 2x - 21x +7 = 26
-19x = 19
x = -1
1) а)
б) -6ax-+6ax=-
2)7+4(x-2)-3(x-1)=0
7+4x-8-3x+3=0
x+2=0
x=-2
2x-7(3x-1)=26
2x-21x+7=26
-19x=19
x=-1
1.
а) -2,4 a^3*b^2 - 0.9a^2*b^3
б) 3x^2 - 6ax - 6a^2 + 6ax = 3x^2 - 6a^2
2.
A) 7 + 4x - 8 - 3x + 3 = 0
x = -7 +8 -3
x = -2.
Б) 2x - 21x +7 = 26
-19x = 19
x = -1
1) а)
б) -6ax-+6ax=-
2)7+4(x-2)-3(x-1)=0
7+4x-8-3x+3=0
x+2=0
x=-2
2x-7(3x-1)=26
2x-21x+7=26
-19x=19
x=-1