12(3х+8)+5(2х-1) при х=2

Question

12(3х+8)+5(2х-1) при х=2

Answer 1

12(3x+8)+5(2x-1)

36x+96+10x-5

36*2+96+10*2-5=183

Comments

36х + 96 + 10х - 5 = (36х + 10х) + (96 - 5) = 46х + 91

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46*2 + 91 = 92 + 91 = 183

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