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Solve $x^{2} - (3 + 1) x + 3 = 0$ using the quadratic formula.
The two roots are:

Class 10The Quadratic FormulaAlgebra — Quadratics

A1 and $3$
B1 and $- 3$
C-1 and $3$
D $3$ and $3$

Step-by-Step Solution

D = (3 + 1)^{2} - 43 = 3 + 23 + 1 - 43 = 4 - 23 = (3 - 1)^{2} . D = 3 - 1. x = \frac{( 3 + 1 ) \pm ( 3 - 1 )}{2} = 3 or 1

.

Answer: A) 1 and

3

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