Expand and simplify:
(4√5 + 5√2)(-√5 - 3√2)
2006-11-27 04:58:13 · 5 answers · asked by thomasgraham880 1 in Science & Mathematics ➔ Mathematics
-20 - 17√10 - 30, which gives:
-50 - 17√10
2006-11-27 05:01:00 · answer #1 · answered by Dave 6 · 0⤊ 0⤋
(4√5 + 5√2)(-√5 - 3√2)
-4√25 - 12√10 - 5√10 - 15√4
- 20 - 17√10 - 30
- 50 - 17√10
2006-11-27 05:28:10 · answer #2 · answered by Anonymous · 0⤊ 0⤋
a million a million a million a million 2 a million a million 3 3 a million a million 4 6 4 a million a million 5 10 10 5 a million is Pascal's triangle. (x+y)^4 must be the fifth line of the triangle (1st is x^0) x^4 + 4(x^3)y + 6(x^2)(y^2) + 4 x(y^3) + y^4 so for (x+y)^5, use the subsequent line.
2016-11-27 01:50:08 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Expand
-20 -12(10^0.5) -5(10^0.5) -15(10^0.5)
-20 -27(10^0.5)
2006-11-27 05:11:07 · answer #4 · answered by maussy 7 · 0⤊ 0⤋
= -20 - 12root6 - 5root10 - 15root6
= -20-27root6-5root10
= -20-27(2.45)-5(3.162)
= -20-66.15-15.81
=101.96
2006-11-27 05:18:21 · answer #5 · answered by ashish.prshr 2 · 0⤊ 0⤋