I got 7a^4 - 2ab² - 2^4 -8ab - 2a^4 is that right?
2007-03-17 18:17:24 · 5 answers · asked by gizzie76 1 in Science & Mathematics ➔ Mathematics
No,you are wrong
It would be 6a^2+2ab-5b^2
2007-03-17 18:25:30 · answer #1 · answered by alpha 7 · 0⤊ 0⤋
I think you are making this harder than it really is. The plus sign (+) between the parentheses puts the whole equation on one level. If you just remove the parentheses and do the adding and subtracting of like variables it should all fall into place. The only way I can see you getting a^4 is by multiplying. If you have copied the equation correctly there is no multiplication indicated aside from those between the plus and minus signs.
2007-03-18 01:30:15 · answer #2 · answered by gimpalomg 7 · 0⤊ 0⤋
6a^2 + 2ab - 5b^2 you don't add the powers, just the coefficients of same variable/power
2007-03-18 01:21:32 · answer #3 · answered by Class PandorTRT 2 · 0⤊ 0⤋
it equal to
6a^2 + 2ab - 5b^2
you are wrong
simply you have to sum the same cofficentd together
a^2 with each other
ab with each other
b^2 with each othe
2007-03-18 02:06:45 · answer #4 · answered by ? 3 · 0⤊ 0⤋
6A^2+2AB-5B^2
2007-03-18 01:24:01 · answer #5 · answered by 1040 Agent 2 · 0⤊ 0⤋