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Exercise 1.1 (Math 10)

exercise

Question 1.   Write the following quadratic equations in the standard form and point out pure quadratic equations. (i).          (x + 7)(x − 3) = −7 Solution: The given quadratic equation is         (x + 7)(x − 3) = −7          (i) Multiplying the expressions (x + 7) and (x − 3) in equation (i) with each other, we have       ...

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