pamela15
A. (12x)³=(12x)(12x)(12x)=1.728x³ b. (5a-7b)²=(5a)²-2(5a)(7b)+(7b)²= =25a²-70ab+49² c. 10x(pangkat5)y³:2x³y=( klo salah maaf, soalnya gak jelas) (10/2)(xpangakat5/x³)(y³/y) =5x²y² d. 6a+4b+8a-3 6a+8a+4b-3 14a+4b-3 e. -16p+4q-7p+6q -16p-7p+4q+6q -23p+10q f. 7p-6p+8q-2q+5z p+6q+5z g. 2p/4+5a/8=8p/16+10a/16= 8p+10a/16 2(4p+5a)/2(8) 4p+5a/8 h. maaf gak jelas tuliasanya!!! i. 2a/4c:2a/2c=2a/4c×2c/2a=1/2
b. (5a-7b)²=(5a)²-2(5a)(7b)+(7b)²=
=25a²-70ab+49²
c. 10x(pangkat5)y³:2x³y=( klo salah maaf, soalnya gak jelas)
(10/2)(xpangakat5/x³)(y³/y)
=5x²y²
d. 6a+4b+8a-3
6a+8a+4b-3
14a+4b-3
e. -16p+4q-7p+6q
-16p-7p+4q+6q
-23p+10q
f. 7p-6p+8q-2q+5z
p+6q+5z
g. 2p/4+5a/8=8p/16+10a/16=
8p+10a/16
2(4p+5a)/2(8)
4p+5a/8
h. maaf gak jelas tuliasanya!!!
i. 2a/4c:2a/2c=2a/4c×2c/2a=1/2