brooklynhawsey brooklynhawsey

13-02-2017
Mathematics

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Plz help! Algebra polynomial question

Plz help Algebra polynomial question class=

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apologiabiology apologiabiology

13-02-2017

shaded area=total-small
total=(m+8)(m-8)=m²-64
shaded=(m-9)(m-9)=m²-18m+81

shaded=total-small
shaded=m²-64-(m²-18m+81)
shaded=m²-64-m²+18m-81
shaded=18m-145
last option

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