Question

(x-3)(x+5) find product using suitable identies​

Answer 1

Answer:

(x-3)(x+5)

= (x)^2 + (-3 + 5)x + (-3)(5)

= x^2 +2x - 15

Using identity [ (x +a) (x + b) = x^2 +(a+b)x + ab]

Answer 2

Answer:

x^2-3x+5x-15

x^2+2x-15

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