Question

what is the factors of (x^2-2x-3 )

Answer 1

Answer:

This is a trinomial of the form #y = ax^2 + bx + c#, which is factored as #(x + m)(x + n)#

Explanation:

We can find the value of m and n by finding two numbers that multiply to c and that add to b. Two numbers that multiply to -3 and that add to +2 are 3 and -1:

So, when factored, the expression is #(x + 3)(x - 1)#

Practice exercises:

Find which of the following trinomials are factorable. For those that are, factor them completely.

a) #x^2 + 7x + 12#

b) #x^2 - 7x - 12#

c) #x^2 - 7x + 12#

d) #-x^2 + 7x - 12#

d) #x^2 + 8x + 16#

e) #x^2 + 8x - 16#

f) #x^2 - 8x + 16#

g) #x^2 + 16#

h) #x^2 - 16#

Good luck!

Step-by-step explanation:

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