Question

class 9th chapter 2 expand each of the following using suitable identities x^2 +5x+6

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Answer 1

Answer:

${x}^{2} + 5x + 6 = 0 \\ {x}^{2} + 3x + 2x + 6 = 0 \\ x(x + 3) + 2(x + 3) = 0 \\ (x + 2)(x + 3) = 0 \\ x + 2 = 0 || x + 3 = 0 \\ x = - 2 || x = - 3$

Step-by-step explanation:

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