1. k^2 - 6kl
(4^2) - (6)(4)(-5)
16 - (-120)
16 + 120 = 136
2. 6(c-b) - 4cd
6(-3-3) - (4)(-3)(-4)
6(-6) - (48)
-36-48 = -84
3. xy-z^3/9-z
(2)(-3) - 2^3/9-2
-6-8/ 7
-14/7 = -2
4. 5(m-3n)^2
5[8 - (3)(-2)]^2
5[8 - (-6)]^2
5(8+6)^2
5(14)^2
5(196) = 980
5. a^2+3b-c
(-3)^2 + 3(6) - (-4)
9+18+4
27+4= 31
double check mo if may mali
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Answers & Comments
1. k^2 - 6kl
(4^2) - (6)(4)(-5)
16 - (-120)
16 + 120 = 136
2. 6(c-b) - 4cd
6(-3-3) - (4)(-3)(-4)
6(-6) - (48)
-36-48 = -84
3. xy-z^3/9-z
(2)(-3) - 2^3/9-2
-6-8/ 7
-14/7 = -2
4. 5(m-3n)^2
5[8 - (3)(-2)]^2
5[8 - (-6)]^2
5(8+6)^2
5(14)^2
5(196) = 980
5. a^2+3b-c
(-3)^2 + 3(6) - (-4)
9+18+4
27+4= 31
double check mo if may mali