(√x +4)(√x-1)?

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2006-07-31 12:57:33 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

(√x)(√x) - √x + 4√x - 4

x + 3√x - 4

2006-07-31 13:09:40 · answer #1 · answered by Anonymous · 0⤊ 0⤋

If you want to expand it,

(âx +4)(âx-1) = x + 3 âx - 4

If you want the roots,

âx = -4 or âx = 1

x = +/- 2i or x = +/- 1

2006-07-31 20:20:47 · answer #2 · answered by ideaquest 7 · 0⤊ 0⤋

x+3radical x - 4

2006-07-31 20:01:53 · answer #3 · answered by MollyMAM 6 · 0⤊ 0⤋

(sqrt(x) + 4)(sqrt(x - 1))
x - sqrt(x) + 4sqrt(x) - 4
x + (-1 + 4)sqrt(x) - 4
x + 3sqrt(x) - 4

2006-08-01 13:02:09 · answer #4 · answered by Sherman81 6 · 0⤊ 0⤋

True

2006-07-31 20:29:35 · answer #5 · answered by PoohP 4 · 0⤊ 0⤋

Why post all of your pre-algebra homework?

2006-07-31 20:55:59 · answer #6 · answered by ibid 3 · 0⤊ 0⤋