Simplify the rational expression. If the rational expression cannot be simplified, so state.
-$$\frac { 2 x ^ { 2 } - 18 x + 28 } { x - 7 }$$
A) Cannot be simplified
B) $\frac { 1 } { x - 7 }$
C) $2 x ^ { 2 } - 22$
D) $2 x - 4$

Question

Quizplus · Accepted Answer

The given expression can be simplified by factoring the numerator. Factoring out a 2 from the numerator gives $2(x^2 - 9x + 14)$. Further factoring the quadratic expression in the parenthesis gives $2(x-7)(x-2)$. Dividing this by $x-7$ leaves $2(x-2)$, which simplifies to $2x-4$.

Simplify the Rational Expression 2x2−18x+28x−7\frac { 2 x ^ { 2 } - 18 x + 28 } { x - 7 }x−72x2−18x+28​

Simplify the Rational Expression $\frac { 2 x ^ { 2 } - 18 x + 28 } { x - 7 }$