Hey there!
2x + 5(2 + 6x) + 3(2x - 7)
DISTRIBUTE
= 2x + 5(2) + 5(6x) + 3(2x) - 7
= 2x + 10 + 6x + 6x - 7
COMBINE the LIKE TERMS
= (2x + 6x + 6x) + (10 - 7)
= 2x + 6x + 6x + 10 - 7
= 8x + 6x + 10 - 7
= 14x + 3
Therefore, your answer is: 14x + 3
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)