SOLUTION: Solve equation for x.
x^2+4x+4=7 (Hint: Factor the left-hand side)? I believe the answer is 2+-sqrt7
Please help me.
Thank you.
Algebra.Com
Question 96673: Solve equation for x.
x^2+4x+4=7 (Hint: Factor the left-hand side)? I believe the answer is 2+-sqrt7
Please help me.
Thank you.
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
Your answer is almost correct. You were given:
.
.
If you factor the left side you find that it is a perfect square and you get:
.
.
Now take the square root of both sides and you get:
.
.
In which the square root is preceded by a +- sign. Subtract 2 from both sides to get:
.
.
You just missed the minus sign that precedes the 2.
.
Hope this helps you to understand the problem and the process for getting an answer.
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