Step-by-step explanation:
x+x squared =42. The square of the number is the number square. By my incredibly accurate guess and check strategy (works most of the time )6*6 = 36+6=42
4 peices of candy will be left over
r=kw
r=12w
42 = 12*w
divide by 12
42/12 =w
3.5 = w
Answer:
81
Step-by-step explanation: 9 * 9 = -81 * -1 = 81
