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Mathematics 8 Online
OpenStudy (coledrf):

check my answers please? the area of a rectangular carpet is given by the trinomial 5x^2-3x-14 B.(5x+7)(x-2) my answer

OpenStudy (anonymous):

Yeah, that's correct.

OpenStudy (coledrf):

cool can u check another??

OpenStudy (anonymous):

Sure

OpenStudy (coledrf):

20. a group of students are painting a mural on a wall the rectangular wall has dimentions of (6x+7)by(8x+5) and they are planning the mural to be (x+4)by(2x+5) what is the area of the remaining wall after the mural is painted? A, 46x^2+73x+15 B. 48x^2+86x+35 C. 2x^2+13x+20 D. 50x^2+99x+55*****

OpenStudy (coledrf):

@iambatman

OpenStudy (anonymous):

No that's incorrect, it should be B.

OpenStudy (coledrf):

ok cool thank you!

OpenStudy (anonymous):

I hope you understand why though

OpenStudy (coledrf):

are you sure that it is B?

OpenStudy (anonymous):

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