danielkennedy45 danielkennedy45

11-03-2017
Mathematics

contestada

I need help, please.
Answers are: x^2, (x+8)(x+6), (x-8)(x-6), x^2 +48, x^2-48, x^2+14x+48, x^2-14x+48

I need help please Answers are x2 x8x6 x8x6 x2 48 x248 x214x48 x214x48 class=

Respuesta :

apologiabiology apologiabiology

11-03-2017

photo is x-(3+3) by x-(4+4) or x-6 by x-8 because the photo is smaller than the cardboard

area=lenght times width

so area of photo is (x-6)(x-8)
if we expand
foil or whatever
x²-14x+48

3rd option and last option are same

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