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Elza [17]
3 years ago
10

Please solve this and show your working out. thanks!

Mathematics
1 answer:
julia-pushkina [17]3 years ago
7 0

Answer:

first

area of rectangle = l*b

                         =     (3x-y+4) ( X+7)

                       = 3x²-xy + 4x+21x-7y+28

                       = 3x²-xy +25x-7y +28

Area of square = l²

                        = (x-2)²= x²- 4x +4

area of shaded region=( 3x²-xy +25x-7y +28) -(x²- 4x +4)

                                     =2x²-xy +29x-7y+24

         

Step-by-step explanation:

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Plot the value(s) on the number line where this function is equal to zero: fx) = (x + 5)(x - 1).​
Anestetic [448]

Answer:

x = - 5, x = 1

Step-by-step explanation:

let f(x) = 0 , that is

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3 0
4 years ago
Read 2 more answers
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frosja888 [35]

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Step-by-step explanation:

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