(5x^2-7)(5x^2+7) multiply the polynomials

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3

Amber wants to know how many blocks of each color will be needed for a tapestry on the number of 40. how many blocks of each color will she make? explain why she needs to identify a new color for this tapestry