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h(x)=0.000371(x21,280x)+152h(x)=0.000371(x^2-1{,}280x)+152

Full solution

Q. h(x)=0.000371(x21,280x)+152h(x)=0.000371(x^2-1{,}280x)+152
  1. Simplify expression for h(x)h(x): Simplify the expression for h(x)h(x).h(x)=0.000371(x21,280x)+152h(x) = 0.000371(x^2 - 1,280x) + 152
  2. Set h(x)h(x) to 00: Set h(x)h(x) to 00 and solve for xx.0=0.000371(x21,280x)+1520 = 0.000371(x^2 - 1,280x) + 152
  3. Subtract 152152: Subtract 152152 from both sides.\newline152=0.000371(x21,280x)-152 = 0.000371(x^2 - 1,280x)
  4. Divide by 00.000371000371: Divide both sides by 0.0003710.000371 to isolate the quadratic term.\newline152/0.000371=x21,280x-152 / 0.000371 = x^2 - 1,280x

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