Mathematics Test—No Calculator

The quadratic formula approach is left as an exercise for students. We will show first how to solve this equation using simple factoring and then will show how to solve it using both the structure of the equation and factoring. Since 7 x. equals, 10 x. minus 3 x, the given equation can be rewritten as 2 x. squared plus, open parenthesis, 10 x ................
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