Solve the problem.
-Let $f ( x ) = x ^ { 2 } - x - 56$. Find all values $x$ for which $f ( x ) = 0$.
A) 1,56
B) $- 7 , - 8$
C) 7,8
D) $- 7,8$

Question

Quizplus · Accepted Answer

To find the values of $x$ for which $f(x) = 0$, we set the equation $x^2 - x - 56 = 0$ and solve for $x$. Factoring the quadratic equation, we get $(x - 8)(x + 7) = 0$, which gives us the solutions $x = 8$ and $x = -7$.

Solve the Problem f(x)=x2−x−56f ( x ) = x ^ { 2 } - x - 56f(x)=x2−x−56

Solve the Problem $f ( x ) = x ^ { 2 } - x - 56$