Answer:
1. -3/5x^41+5/12
2. 14/3 or 80/21 (see explanation in step -by -step explanation)
Step-by-step explanation:
1. For this you just have to simplify it
2. for this one if it is just 2/3 - (-4) then it would be 14/3 but if it is 2/3 - (-4)-6/7 then you get 80/21 ( to solve this you also just simplify it)
Answer: 345
Step-by-step explanation: 1354-574-346=434-89= 345
Answer:
0.045
Step-by-step explanation:
4+2p=10(53p-2)
open the bracket
4+2p=530p-20
collecting like terms we have
4+20=530p-2p
24=528p
24/528=528p/528
p=0.04545
p=0.045
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for more explanation, ask in the comment section
Multiply r^2+7r+10/3 by 3r-30/r^2-5r-50
<span>=( r^2+7r+10)/3 (3r-30)/(r^2-5r-50) </span>
<span>=(r+2)(r+5)/3 3(r+10)/ (r-10)(r+5) </span>
<span>=3 (r+2)(r+5)(r+10)/3(r-10)(r+5) </span>
<span>=(r+2)(r+10)/(r-10)</span>