7-(-x+6)
7+x-6 = x+1
-3(y-2)+4(y+2) = -3y + 6 + 4y + 8 = y + 14
a) 2m + k - 3m + 4k - 1 =
= 10 + 0.1 - 15 + 0.4 - 1 =
= - 5.5
a) (x+5)(x-2) = xdo2 - 2x + 5x - 10 = xdo2 + 3x - 10
b) (2x+2)(x+1) razy 1/2 = (x+1)(x+1)=xdo2 + x + x + 1 = xdo2 + 2x + 1
a) (x+3)do2 = (x+3)(x+3)= xdo2 + 3x + 3x + 9 = xdo2 +9x + 9
b) (a-2)do2 = (a-2)(a-2) = ado2 - 2a -2a + 4 = ado2 - 4a + 4
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7-(-x+6)
7+x-6 = x+1
-3(y-2)+4(y+2) = -3y + 6 + 4y + 8 = y + 14
a) 2m + k - 3m + 4k - 1 =
= 10 + 0.1 - 15 + 0.4 - 1 =
= - 5.5
a) (x+5)(x-2) = xdo2 - 2x + 5x - 10 = xdo2 + 3x - 10
b) (2x+2)(x+1) razy 1/2 = (x+1)(x+1)=xdo2 + x + x + 1 = xdo2 + 2x + 1
a) (x+3)do2 = (x+3)(x+3)= xdo2 + 3x + 3x + 9 = xdo2 +9x + 9
b) (a-2)do2 = (a-2)(a-2) = ado2 - 2a -2a + 4 = ado2 - 4a + 4