# 2pilihanSimplify: 3(2x−5)+4(3x+2)18 𝑥 − 7 𝑥18x−7−10x18x−2318x−7petunjuksimplify the bracket first...
# 3pilihanSimplify :(2x+3)(x−4)2x #2 −8x+3x+122x #2 +3x−4 2 𝑥 #2 − 5 𝑥 − 12 2x #2 − 8x+3x−12petunjuk# this is power of 2...
# 9pilihanFactorize: 6x #2+11x+4(2x+4)(3x+1)(2x+3)(3x+2)(2x+1)(3x+4)(2x+2)(3x+2)petunjuk(xx #2) is power up 2