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Solve the below equation by the factorisation method:
x2 − 2x - 3 = 0
x = −1 or x = −3
x = 1 or x = 3
x = 1 or x = −3
x = −1 or x = 3
x2 − 2x - 3 = 0x2 − 3x + x − 3 = 0x(x − 3) + 1(x − 3) = 0(x + 1)(x − 3) = 0x = −1 or x = 3
Any quadratic equation can be written in the form
(x + a)2 − b2 = 0
(x − a)2 − b2 = 0
(x − a)2 + b2 = 0
(x + a)2 + b2 = 0
Any quadratic equation can be written in the form (x + a)2− b2 = 0.
Solve the below equation by the perfect square method:
9x2 − 15x + 6 = 0
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