Use the identity (x+a)(x+b)=x2+(a+b)x+ab to find the following product

1.	Use the identity (x+a)(x+b)=x2+(a+b)x+ab to find the following products: (2a2+9)(2a2+5)
Answer» Use the identity $(x + a) (x + b) = x^{2} + (a + b) x + a b$ to find the following products: $(2 a^{2} + 9) (2 a^{2} + 5)$

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