1) 6(-4)^2 - 6(-4)22 - 8(-4) + 822= 616 + 6*88 + 32 + 176= 96 + 528 + 32 + 176= 736
2) (1/4)^2 - (1/4)(-1/2) - 5(1/4) + 5(-1/2)= 1/16 + 1/8 - 5/4 - 5/2= 1/16 + 2/16 - 20/16 - 40/16= -57/16
3) (-1)^2 + (-1)(-2) + (-2)(-5) + (-2)(-1)= 1 + 2 + 10 + 2= 15
4) 3(2/3)(-3/4) - (2/3)^3(-3/4)^3 - 6 + 2(2/3)^2(-3/4)^2= 2(-1/4) - (8/27)(-27/64) - 6 + 2(4/9)*(9/16)= -1/2 + 8/64 - 6 + 8/36= -1/2 + 1/8 - 6 + 2/9= -14 19/72
1) 6(-4)^2 - 6(-4)22 - 8(-4) + 822
= 616 + 6*88 + 32 + 176
= 96 + 528 + 32 + 176
= 736
2) (1/4)^2 - (1/4)(-1/2) - 5(1/4) + 5(-1/2)
= 1/16 + 1/8 - 5/4 - 5/2
= 1/16 + 2/16 - 20/16 - 40/16
= -57/16
3) (-1)^2 + (-1)(-2) + (-2)(-5) + (-2)(-1)
= 1 + 2 + 10 + 2
= 15
4) 3(2/3)(-3/4) - (2/3)^3(-3/4)^3 - 6 + 2(2/3)^2(-3/4)^2
= 2(-1/4) - (8/27)(-27/64) - 6 + 2(4/9)*(9/16)
= -1/2 + 8/64 - 6 + 8/36
= -1/2 + 1/8 - 6 + 2/9
= -14 19/72