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Aloiza [94]
3 years ago
11

It is asking for me to factor this equation (x-2)(x-2)+6(x-2)+9

Mathematics
1 answer:
Fiesta28 [93]3 years ago
4 0
(x-2)(x-2)+6(x-2)+9
so first we distribute
x^2-2x-2x+4+6x-12+9
group like terms
x^2+2x+1
factor
find what 2 numbers add to get 2 and multiply to get 1
the numbers are 1 and 1
(x+1)(x+1)

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3. 
The area of a triangle can be given by (just plug and chug as always):
A_t = \frac{1}{2} bh = \frac{1}{2}(3)(4) = 6ft^2
The area of the triangle is 6ft².

4. I will divide into a triangle and a rectangle (because the actual equation for the area of a pentagon requires it to be a perfect pentagon). Let's do the triangle first (height is 3 because you subtract 12 from 15):
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