Question

1. (i) (x-3) (x + 7) = 0​

Answer 1

Answer:

Step-by-step explanation:

given equation = (x-3)(x+7) = 0

                           $x^{2} + 7x -3x - 21 = 0\\=x^{2} + 4x -21 = 0$

so we can see that the equation is not equal to 0 so this equation is false

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