-3/8(2-3/8)+(3/8+5)^2=-3/8(13/8)+(9/64+15/4+25) = 1849/64-39/64 =1810/64 =
905/32 = 28+9/32
-x^2-2x+x^2+10x+25=8x+25
8x+25=8×(-3/8)+25= -3+25=22
-3/8(2-3/8)+(3/8+5)^2=-3/8(13/8)+(9/64+15/4+25) = 1849/64-39/64 =1810/64 =
905/32 = 28+9/32
-x^2-2x+x^2+10x+25=8x+25
8x+25=8×(-3/8)+25= -3+25=22