Question

Find the value of x:3x2 = -11x -10​

Answer 1

Answer:

x = -2,-5/3

Step-by-step explanation:

3x^2 + 11x + 10 = 0          (by transposing)

3x^2 + 6x + 5x + 10 = 0

3x (x + 2) + 5 (x + 2) = 0

(3x + 5)(x + 2) = 0

3x + 5 = 0

x = -5/3                           (by transposing)

x + 2 = 0

x = -2

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Answer 2

Answer:

${3x}^{2} + 11x + 10 \\ {3x}^{2} + 6x + 5x + 10 \\ 3x(x + 2) + 5(x + 2) \\ (3x + 2)(x + 2) \\ x = - 2 \\ x = - 2 \div 3$