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Solve (x + 4)2 – 3(x + 4) – 3 = 0 using substitution. u = x + 4 Select the solution(s) of the original equation.
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3 votes
Solve (x + 4)2 – 3(x + 4) – 3 = 0 using substitution. u = x + 4 Select the solution(s) of the original equation.

User Gazow
by
4.8k points

2 Answers

3 votes

Answer:

-7

Explanation:

2(x+4)-3(x+4)-3=0

2x+8-3x-12-3=0

-x+8-15=0

-x-7=0

+7 +7

-x=7

/-1 /-1

x=-7

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hope it helps

User Yamil
by
5.2k points
6 votes

Answer:

B and D buster

Explanation:

User Hanzworld
by
4.8k points
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