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Belen Buckley
Mathematics
10 February, 04:29
Solve the equation.
10y2 - 17y + 12 = y + 16
+2
Answers (
1
)
Rachel Hood
10 February, 04:40
0
10y2 - 17y + 12 = y + 16
10y2 - 17y + 12 - 16 = y
10y2 - 17y - 4 = y
10y2 - 17y - y - 4 = 0
10y2 - 16y - 4 = 0
Now put formula
x = - b + - (square root) b2 - 4ac
2a
a = 10 b = - 16 c = - 4
y = - (-16) + - (square root) - 16 - 4 (10) (-4)
2 (10)
y = 16 + - (square root) - 16 - 400
20
y = 16 + - (square root) - 416
20
y = 16 + - 20.396
20
Now this + - is the plus minus thingy in which two answers come
The first we will do is +
16 + 20.396 16 - 20.396
20 20
= 1.8198 = - 0.2198
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