H(x)= 3x-5
g(x)= x^2+x

find (2h-g)(-7)

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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