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abigailstolp
17.10.2020 •
Mathematics
Plz help and plz show work
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Ответ:
4(2x - 8) = 6x + 48
Multiple the 4 by every number in the parentheses.
4 x 2= 8 bring the x along
4 x -8 = -32. Negative times a positive gives you a negative, that’s where the (-32) came in
Put the first answers that you solved from the first equation along with the second equation 6x + 48
8x- 32 = 6x + 48
Subtract the like terms which are 8x and 6x
8-6= 2(bring the x along) 2x
The change the -32 to a positive 32 and add it to 48
32 + 48 = 80.
Divide the 80 by 2x which will give you 40.
X = 40
Ответ:
The answer is 9 and -4
You will use the quadratic formula to arrive at the answer.