Question

using suitable identities find the product (a) (2x-3)(2x+1)​

Answer 1

Answer:

4x2 + 4x - 15

Step-by-step explanation:

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

Using the identity:

(x+a)(x+b) = x2 + (a+b)x + ab,

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

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

= 4x2 + 4x - 15

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Answer 2

ok..?brain list plzz