What is one similarity and one difference between the central uplands and the alpine mountain regions

One similarity between the central uplands region and the alpine mountain regions is that neither of them is flat. The alpine region is very mountainous as the name implies, while the central uplands have a rolling landscape of hills, small mountains, valleys, and river canyons.

One difference is in the degree of the relief, precisely. The Alpine region has mountains that are way higher and way steeper than the central uplands. This makes civilization harder in the alpine region, reason why this region is a lot less populated than the central uplands.

x = 7

step-by-step explanation:

equating the expression for area to the given area

2x² - 7x - 4 = 45 ( subtract 45 from both sides )

2x² - 7x - 49 = 0 ← in standard form

to factor consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 2 × - 49 = - 98 and sum = - 7

the factors are - 14 and + 7

use these factors to split the middle term

2x² - 14x + 7x - 49 = 0 ( factor the first/second and third/fourth terms )

2x(x - 7) + 7(x - 7) = 0 ← factor out (x - 7)

(x - 7)(2x + 7) = 0

equate each factor to zero and solve for x

x - 7 = 0 ⇒ x = 7

2x + 7 = 0 ⇒ 2x = - 7 ⇒ x = -

thus the positive value for x is x = 7

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