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xxTIMURxx [149]
4 years ago
15

Find the solution set x^2-7x-8=0 separate the two values with a comma

Mathematics
1 answer:
TiliK225 [7]4 years ago
8 0
A=1  b=-7  c=-8
Using the quadratic formula:
x = --7 +-sq root(49 -4*1*-8)/2*1
x = 7 +-sq root(49 +32)/2
x1 = (7 + 9) / 2 = 8
x2 = (7 - 9) / 2 = -1

answers (8,-1)



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