1. Evaluate:
-cube root 64
2. State which method should be applied as the first step for factoring the polynomial. Factor completely.
4x^2 – 3xy + 4x – 3y
A) Find the GCF.
B) Group the terms.
C) Factor the difference of squares.
D) Use the ac method (or trial and error).
3. Factor by grouping.
35x^3 + 30x^2 – 7x – 6
2007-08-31 07:20:05 · 4 answers · asked by casper5 3 in Science & Mathematics ➔ Mathematics
Question 1
64^(1/3) = 4
Question 2
(4x) (x + 1) - (3y) (x + 1)
(x + 1) (4x - 3y)
Question 3
(7x) (5 x ² - 1) + (6) (5 x ² - 1)
(5 x ² - 1) (7 x + 6 )
2007-09-04 05:10:13 · answer #1 · answered by Como 7 · 1⤊ 0⤋
1. cube root of 64 = 4
since 4*4*4=64
2. 4x^2 – 3xy + 4x – 3y
x(4x – 3y) + 1(4x – 3y)
(4x – 3y) (x + 1)
3. 35x^3 + 30x^2 – 7x – 6
5x^2(7x + 6) – 1(7x + 6)
(7x + 6) (5x^2 – 1)
(7x + 6) (5x + 1) (5x – 1)
:-):-)
2007-08-31 14:53:57 · answer #2 · answered by ? 2 · 0⤊ 0⤋
1. cube of 64 is 4 , as 4^3 is 64.
2. 4x (x+1) - 3y(x+1) or (4x-3y) (x+1)
3. (7x+6) (5x^2-1)
2007-08-31 14:29:09 · answer #3 · answered by J.W. 2 · 0⤊ 0⤋
2=(x+1)(4x-3y)
3=(5x*x-1)(7x+6)
1=64
2007-08-31 14:38:55 · answer #4 · answered by koh_arian 2 · 0⤊ 0⤋