Question: 1. Solve the quadratic equation below. If the solutions are not real, enter NA. 28x^2-x-2=0 The field below accepts a list of numbers or formulas

1. Solve the quadratic equation below. If the solutions are not real, enter NA.
28x^2-x-2=0
The field below accepts a list of numbers or formulas separated by semicolons (e.g. 2;4;62;4;6 or x+1;x?1x+1;x?1). The order of the list does not matter.
To enter a???a, type sqrt(a).
2.

Simplify the expression. 25 72-10y+25 Enclose numerators and denominators in parentheses. For example, (a - b) / (1 + n)
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