Answer:
Base = 17
Height = 5
Step-by-step explanation:
(4x + 1)(x + 1) = 85
4x² + 4x + x + 1 = 85
4x² + 5x - 84 = 0
∆ = 5² - 4.4.(- 84)
∆ = 25 + 1344
∆ = 1369
x = (- 5 + 37)/8
x = 32/8
x = 4
Base = 4.4 + 1 = 17
Height = 4 + 1 = 5
I hope I helped you.
