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Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Secant be and cf intersect at point d inside a what is the measure of cde