Perform the indicated operations.
[(1.3x3 + 7.3x2 + 4.9) + (6.2x - 2.4)] - (3.4x2 -x - 9.3)
1.3x3 + 10.7x2 + 5.2x - 6.8
12.4x6 + 11.8
1.3x3 + 3.9x2 + 6.2x + 11.8
1.3x3 + 3.9x2 + 7.2x + 11.8
2007-06-28 09:50:32 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
[(1.3x^3 + 7.3x^2 + 4.9) + (6.2x - 2.4)] - (3.4x^2 -x - 9.3) =
[1.3x^3 + 7.3x^2 + 4.9 + 6.2x - 2.4] - 3.4x^2 + x + 9.3 =
1.3x^3 + 3.9x^2 + 7.2x + 11.8
Mine looks the same as your last one.
2007-06-28 10:07:40 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋
Order of operations if you forget what to do you can always use this phrase to remember
Please Excuse My Dear Aunt Sally
P-parenthesis
E-exponents
M-multiplication
D-division
A-addition
S-subtraction
Best of luck
2007-06-28 17:05:33 · answer #2 · answered by Kat Von D 2 · 0⤊ 0⤋
use order of operations.
PEMDAS
P- perenthases
E- exponent
M- multiplcation
D- divide
A- addition
S- subtraction
go in order
2007-06-28 16:57:58 · answer #3 · answered by B-Bon 1 · 0⤊ 0⤋
order of operations :)
thats how i would do it
2007-06-28 16:55:15 · answer #4 · answered by ♥ F@$H!0N ♥ 5 · 0⤊ 0⤋