Question

check whether bracket x + 3 is factor of x square + 2 x - 3 or not​

Answer 1

Answer:

x + 3 is a factor of x² + 2x - 3

Step-by-step explanation:

If x + 3 is a factor of x² + 2x - 3 then,,

x + 3 = 0

x = -3

Place x = -3 in,

x² + 2x - 3 = 0

(-3)² +2*(-3) - 3 = 0

9 - 6 - 3 = 0

9 - 9 = 0

0 = 0

Hence proved.

x+3 is a factor of x² + 2x - 3

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