solve 8x^2/45+ 2x/45= 1/3?

2007-09-28 02:32:15 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

8 x ² + 2 x = 15
8 x ² + 2 x - 15 = 0
(4 x - 5) (2 x + 3) = 0
x = 5 / 4 , x = - 3 / 2

2007-09-28 06:35:26 · answer #1 · answered by Como 7 · 0⤊ 0⤋

Multiply through by 45 to clear the fractions.

Then use the quadratic formula.

You will get: x = 5/4 and x = -3/2

2007-09-28 04:19:43 · answer #2 · answered by PMP 5 · 0⤊ 0⤋

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