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India
Class X

Solve quadratics by completing the square then fully factorising

Interactive practice questions

By first completing the square, then factorising using the difference of two squares, or otherwise, solve:

$x^2+24x+63=0$x2+24x+63=0

Easy
4min

By first completing the square, then factorising using the difference of two squares, or otherwise, solve:

$x^2-14x+33=0$x214x+33=0

Easy
4min

By first completing the square, then factorising using the difference of two squares, solve:

$x^2+38x+105=0$x2+38x+105=0

Easy
4min

By first completing the square, then factorising using the difference of two squares, solve:

$x^2-40x+144=0$x240x+144=0

Easy
3min
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Outcomes

10.A.QE.1

Standard form of a quadratic equation ax^2 + bx + c = 0, (a ≠0). Solution of quadratic equations (only real roots) by factorization and by completing the square, i.e., by using quadratic formula. Relationship between discriminant and nature of roots. Problems related to day-to-day activities to be incorporated

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