Question

2) Solve quadratic equation by factorization method.
X² – 7x + 12 = -2​

Answer 1

• Step-by-step explanation:

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Answer 2

Answer:

So x^2 - 7x + 14

-x2+7x-14 = 0 by the Quadratic Formula .

According to the Quadratic Formula, x , the solution for Ax2+Bx+C = 0 , where A, B and C are numbers, often called coefficients, is given by :

- B ± √ B2-4AC

x = ————————

2A

In our case, A = -1

B = 7

C = -14

Accordingly, B2 - 4AC =

49 - 56 =

-7

Applying the quadratic formula :

We get answer as

√ 7 , rounded to 4 decimal digits, is 2.6458