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Answer:
She rewrote the problem without parentheses: x3+ 2x2 - x + x3 – 2x2 +6
Step-by-step explanation:
It looks like she didn't fully distribute the -
(x3 + 2x2 - x)-(-x3 + 2x2 + 6) :Original
x3+ 2x2 - x + x3 – 2x2 +6 :Changed
~
(x3 + 2x2 - x)-(-x3 + 2x2 + 6)
x3 + 2x2 - x + x3 - 2x2 - 6
x3 + x3 + 2x2 - 2x2 -x - 6
2x3-x-6
I hope this helps ^-^
Answer:
4 and 19
Step-by-step explanation:
One number : 4x+3 (this is 3 more than 4 times x)
Another number: x This is tricky because the main number for comparison is "another number", which is x
Sum of the #s is 23: Means add them and = 23, so
x+(4x+3) = 23
5x+3=23
5x=20
x=4 and the other # is 4x+3, so 4(3)+3=19
The workings to the answers are in the attachments below. Open them up in a new window to see them in full.
Lowest Point On The Graph:
(4.480878208, -61.32441280)
Highest Point On The Graph:
(1.155422854, 17.23818241)
2nd Lowest Point On The Graph:
(-0.3863010618, 7.23076164)
(x-3)^2+(y-2)^2=25
plug in those values for x,y to see if they satisfy the equation (=25)
