हल करना x ^ 2 + 6x - 27; HEF | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$x^{2}+6x-27; H\cdot E\cdot F$$