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23-05-2019
Mathematics

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Area=500 height=2x+6 width=4x-3: what is the exact width?

Area500 height2x6 width4x3 what is the exact width class=

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sensationalsarath sensationalsarath

23-05-2019

Area of a rectangle is lxb

(4x-3) * (2x+6) = 500

{(4x * 2x) + (4x * 6)} + {( -3 * 2x) + (-3 * 6)} - multiplying the factors

{8x^2 + 24x} + {-6x + -18}

8x^2 + 24x -6x -18 - removing the brackets

8x^2 +15x -18

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