178k views
3 votes
Use substitution to write an equivalent quadratic equitation (3x+2)2 +7(3x+2) -8 =0

1 Answer

3 votes

Answer:(3x)2+(2)2+7(3x)+7(2)-8=0

6x+4+21x+14-8

27x+10=0

27x -10 -10

27x=-10

x=2.7

Explanation:

User Ahamed Mustafa M
by
6.3k points