Question

Use the substitution y = 3x + 1 to solve for x :
5(3x + 1)2 + 6 (3x + 1) - 8 = 0.​

Answer 1

Answer:

6

Step-by-step explanation:

(15x+5)2+18x+6-8=0

30x+10+18x-2=0

30x+18x+10-2=0

48x=8

x=48/8

x=6

Answer 2

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