If 2.4x^3+6x^2+1.6x+0.75+b=1.8x^3+6x^2-11x+0.4, then b = ?

If 2.4x^3+6x^2+1.6x+0.75+b=1.8x^3+6x^2-11x+0.4, then b = ?
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1 Answer

If the equation is true for all x, then putting x=0, we have 0.75+b=0.4 so b=0.4-0.75=-0.35.
by Top Rated User (1.2m points)

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