Add 5y – 4 and 2y^2 – 8y.?

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Add 5y – 4 and 2y^2 – 8y.?

2007-12-23 11:01:09 · 2 answers · asked by No Name 1 in Science & Mathematics ➔ Mathematics

2 answers

5y-4+2y^2-8y ... Start with the given expression

(5y-8y)+(2y^2)+(-4) ... Group like terms

-3y+2y^2-4 ... Combine like terms

2y^2-3y-4 ... Rearrange the terms

So 5y – 4 plus 2y^2 – 8y is 2y^2-3y-4

2007-12-23 12:45:38 · answer #1 · answered by Jim 5 · 0⤊ 0⤋

2yÂ² - 8y
____5y___- 4

2yÂ² - 3y - 4

2007-12-24 20:57:10 · answer #2 · answered by Como 7 · 0⤊ 0⤋