SOLUTION: How to use the quadratic formula to solve for x if 3x(squared)+35=26x
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Question 478501: How to use the quadratic formula to solve for x if 3x(squared)+35=26x
Found 2 solutions by MathLover1, cleomenius:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
...first move to the left
..now use quadratic formula
...note: , and
solutions:
or
Answer by cleomenius(959) (Show Source): You can put this solution on YOUR website!
First put in order.
3x^2 -26x + 35 = 0.
Next, assign a, b, and c.
a = 3
c = -26
c = 35
The formula is (-b +,- (sqrt( b^2 - 4ac))/ 2a
(26 +,- sqrt( (-26)^2 - 4(3)(35) ) / 2(3)
(26 +,- sqrt(676 - 420) ) /6
(26 +,- sqrt ( 256)) / 6.
(26 + 16) /6 = 7
(26 - 16) /6 = 1.667
If you plug these into your original formulas, they will both check out.
Cleomenius.
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