X^2 + x - 56 = 0
Solve for x

x= 7, -8

Step-by-step explanation:

move all terms to the left side and set equal to 0. then set each factor equal   to 0

Hope this helps!!!

50

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,