Grade 128 grade maths
Use the identity (x + a) (x + b) = x^2 + (a + b) x + ab to find the following products.(2a^2 + 9) (2a^2 + 5)
Use the identity (x + a) (x + b) = x^2 + (a + b) x + ab to find the following products.
(2a^2 + 9) (2a^2 + 5)
1 Answer
Harshit Singh
Dear Student
(2a^2+ 9) (2a^2+ 5)
= 4a^4+ (9+5)2a^2+ 45
= 4a^4+ 28a^2+ 45
Thanks
(2a^2+ 9) (2a^2+ 5)
= 4a^4+ (9+5)2a^2+ 45
= 4a^4+ 28a^2+ 45
Thanks
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