5) Use factor theorem and determine whether x + 3 is a factor of
x² + 2x - 3 or not
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2
Step-by-step explanation:
x+3=0
x= -3
put (-3) in the place of x
(-3)²+2(-3)-3
9-6-3
9-9
0
As the answer is zero
Yes (x+3) is a factor of x²+2x-3
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