Diketahui h(x)=2x−1h\left(x\right)=2x-1h(x)=2x−1 dan h(a)=11h\left(a\right)=11h(a)=11,
g(x)=3x−2g\left(x\right)=3x-2g(x)=3x−2 dan g(b)=10g\left(b\right)=10g(b)=10.
Nilai 2ab−5b2ab-5b2ab−5b adalah....
31
29
28
30