Question

Subtract.
(0.5x4 − 0.6x2 + 0.7) − (2.3x4 + 1.8x − 3.9)

Answer 1

Does this have to use the distribution law for solving if so can I get some help on it please

Answer 2

I hate to be a bother but someone help me:(( i need help

Answer 3

for the problem you posted right coral?

Answer 4

yes
sinz:)

Answer 5

okay give me a minute and I will see what I can do.

Answer 6

thank you!

Answer 7

your welcome

Answer 8

0.5x^4 - 0.6x^2 + 0.7 - 2.3x^4 - 1.8x + 3.9

-1.8x^4 - 0.6x^2 - 1.8x + 4.6

Answer 9

i think you mean ^4 and ^2 ?? am i right

Answer 10

yes

Answer 11

remember to click good answer

Answer 12

do I simplify before solving?

Answer 13

Abdul do I have to simplify before doing the main subtracting like getting rid of the exponents?

Answer 14

No, I don't think it can be simplified.

Answer 15

okay thanks

Answer 16

no need to simplify just expand the brackets and subtract

Answer 17

okay how did you get the addition symbol though?

Answer 18

for which one

Answer 19

0.5x^4 - 0.6x^2 + 0.7 - 2.3x^4 - 1.8x + 3.9 -1.8x^4 - 0.6x^2 - 1.8x + 4.6

Answer 20

1.8x+3.9 and 1.8+4.6

Answer 21

ok the first line to my answer was just showing the brackets expanded

the second line to my answer was the actual answer

Answer 22

now when expanding the brackets

− (2.3x4 + 1.8x − 3.9)

you need to multiply everything inside the bracket by the minus sign outside

remember - * - gives you +

Answer 23

okay was just curious was all

Answer 24

I forgot that 2 negative = a positive

Answer 25

ok