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nikitadnepr [17]
3 years ago
15

Solve the equation 2x2 + 2x + 12 = 3x2 – x + 2. A. x = 2, x = –5 B. x = 2, x = 5 C. x = –5, x = –2 D. x = –2, x = 5

Mathematics
1 answer:
Lena [83]3 years ago
3 0

2x2−2x−12=0

Use the quadratic formula to find the solutions.

−b±√b2−4(ac)2a

Substitute the values a=2

, b=−2, and c=−12 into the quadratic formula and solve for x

.

2±√(−2)2−4⋅(2⋅−12)2⋅2

Simplify.

Tap for more steps...

x=1±52

The final answer is the combination of both solutions.

x=3,−2

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Which statement is true about this equation? 3(-y 7) = 3(y 5) 6.
Ahat [919]

The statement that is true about the equation 3(-y + 7) = 3(y + 5) + 6 is;

Statement A; The equation has one solution, y = 0

The given equation is;

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Expanding the brackets gives us;

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Using subtraction property of equality, subtract 21 from both sides to give;

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Using addition property of equality, add 3y to both sides to give;

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Using division property of equality, divide both sides by 6 to get;

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Read more about factorization at; brainly.com/question/11000698

The missing statements are;

A. The equation has one solution, y = 0.

B. The equation has one solution, y = -1.

C. The equation has no solution.

D. The equation has infinitely many solutions.

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Read 2 more answers
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