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x = -16 or x = 5

Solution:

Given polynomial:

To find the roots of the polynomial.

Split the middle term 11x.

11x = 16x - 5x

Take the x common in first 2 terms an -5 common in next 2 terms.

Take (x + 16) common in both terms.

x + 16 = 0  or  x - 5 = 0

x = -16       or   x = 5

Hence x = -16 or x = 5.

so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.