Clara writes the equation (x – 13)(x + 8) = 196 to solve for the missing side length of a rectangle represented by the factor x

Question

3 years ago

4

+ 8. What is the missing side length represented by x + 8 units of the rectangle?
7
15
20
28

1 answer:

Bess [88] · Answer 1 · 2022-07-25T06:33:23+03:00

Bess [88]3 years ago

6 0

Answer:

28

Step-by-step explanation:

196 = 1·196 = 2·98 = 4·49 = 7·28 = 14·14

The factors that differ by 13+8=21 are 7 and 28. These correspond to x=20, and the "x+8" side length is 28.