What is the length of the arc by a central angle of 85 degrees and a radius of 8cm to the nearest tenth of a cm?
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The answer is either or
To solve: Let's solve your equation step-by-step.
5x2+5x−x2−x=2004
Step 1: Simplify both sides of the equation.
4x2+4x=2004
Step 2: Subtract 2004 from both sides.
4x2+4x−2004=2004−2004
4x2+4x−2004=0
Step 3: Use quadratic formula with a=4, b=4, c=-2004.
x= −b±√b2−4ac /2a
x= −4±√32080 /8
or