Solve for x using the quadratic formula.

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asked Feb 9 in Class X Maths by muskan15 (-1,583 points)

Solve for x using the quadratic formula. Write your answer correct to two significant figures (x -1)² – 3x + 4 = 0.

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1 Answer

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answered Feb 9 by navnit40 (-1,146 points)

(x – 1)2 – 3x + 4 = 0

x2 + 1 – 2x – 3x + 4 = 0

x2 – 5x + 5 = 0

Comparing it with

ax2 + bx + c = 0, we get

a = 1, b = - 5, c = 5

By using the formula,

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