Combine like terms: 5w + 5x – 9w
A) w + x
B) 10w – 9x
C) –4w + 5x
D) wx
2007-07-15 10:06:45 · 10 answers · asked by Tainteddeceptions 3 in Science & Mathematics ➔ Mathematics
5x - (9w + 5w) = 5x - 4w
C
2007-07-15 10:09:25 · answer #1 · answered by miggitymaggz 5 · 0⤊ 0⤋
You can combine any terms with the same letter (and if those letters are to the same power). So, there are two terms with w. 5w-9w (The sign in front of it stays with it.) 5w-9w=-4w
There are no other terms with x, so you are left with -4w+5x
C
2007-07-15 10:10:04 · answer #2 · answered by korie55 2 · 0⤊ 0⤋
each time you spot some thing in brackets, you multiply it out. Do one by one: 4x(2x-a million) + 5x(3x+a million) would be = 8xx - 4x + 5x(3x+a million) = 8x^2 - 4x + 15xx + 5x (^ means exponential) =8x^2 - 4x + 15x^2 + 5x (now group like words collectively) =8x^2 + 15x^2 - 4x + 5x = 23x^2 + x (which is additionally reduced in size all the way down to) = x(23x + a million) wish this occasion is sparkling adequate which you may maintain on with..stable success
2016-09-30 01:37:05 · answer #3 · answered by Anonymous · 0⤊ 0⤋
I believe it is (c)
5w-9w = -4w and +5w
combine the two: -4w + 5X
2007-07-15 10:16:21 · answer #4 · answered by Sweet Pea 3 · 0⤊ 0⤋
miggitymaggz answer of C is right, but his "5x - (9w + 5w) = 5x - 4w" is not. It should be 5w-9w+5x or 5x+(-9w)+5w. This will get you answer C.
5x - (9w + 5w) actually equals 5x-14w, which is wrong.
2007-07-15 10:12:33 · answer #5 · answered by JAM 3 · 1⤊ 0⤋
c.
like terms are the w's
2007-07-15 10:10:39 · answer #6 · answered by Trevin M 2 · 0⤊ 0⤋
c
2007-07-15 10:46:58 · answer #7 · answered by cblair20042000 1 · 0⤊ 0⤋
c
Next!
2007-07-15 10:10:28 · answer #8 · answered by gebobs 6 · 0⤊ 0⤋
c?
2007-07-15 10:12:26 · answer #9 · answered by Katie A 2 · 0⤊ 0⤋
c.
2007-07-15 10:09:35 · answer #10 · answered by Anonymous · 0⤊ 0⤋