Welcome to free math,
The quadratic formula,
-b +/- sqrt(b^2 - 4ac)
x = -----------------------
2a
applies whenever you have an equation like
ax^2 + bx + c = 0
So we can start with either the formula, or the equation. visit online math forum; Frankly, the
equation looks as if it will be less work:
ax^2 + bx + c = 0
bx = -ax^2 - c
b = (-ax^2 - c) / x
more exercise on math forum.
The quadratic formula,
-b +/- sqrt(b^2 - 4ac)
x = -----------------------
2a
applies whenever you have an equation like
ax^2 + bx + c = 0
So we can start with either the formula, or the equation. visit online math forum; Frankly, the
equation looks as if it will be less work:
ax^2 + bx + c = 0
bx = -ax^2 - c
b = (-ax^2 - c) / x
more exercise on math forum.
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