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SecretNumber
@SecretNumber
October 2022
1
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Complete the square
x² + 4x = -3
2x² + 8x = 4
may solution, steps, complete answer = brainlest.
pag may nonsense auto report
Answers & Comments
MissJindySummer
Verified answer
Completing the Square
1. x² + 4x = -3
x² + 4x + 4 = -3 + 4
√(x + 2)² = √1
x + 2 = ± 1
x + 2 = 1,
x = -1
x + 2 = -1,
x = -3
--------
2. 2x² + 8x = 4
x² + 4x = 2
x² + 4x + 4 = 2 + 4
(x + 2)² = 6
x + 2 = ±6
x = -2±√6
Steps in completing the square:
Write the quadratic equation in the form ax² + bx = c.
Add (b/2)² on both sides of the equation to make the left side of the equation a perfect square trinomial.
Factor the perfect square trinomial on one side and simplify another one.
Apply the square root property to solve for x.
Answer:
1. x = -1, -3
2. x = -2±√6
3 votes
Thanks 3
SecretNumber
yahh naguusap pa ba kayo ni kuya?
SecretNumber
haha yieeeee naol
SecretNumber
ate, ang ganda niyo po :D
SecretNumber
Naks, Beauty and Brain X'D
SecretNumber
Ay wow, sabi ni Eunbi, you're the Math Princess!
SecretNumber
Ur highness!!
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Answers & Comments
Verified answer
Completing the Square
1. x² + 4x = -3
--------
2. 2x² + 8x = 4
Steps in completing the square:
Answer: