Question

BY USING IDENTITY:
$(x+a)(x+b)= {x}^{2} + (a + b)x + ab$
find the product of
$(2x + 3)(2x - 5)$
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Answer 1

Answer:

Hey Mate!!

$(2x + 3)(2x - 5) \\ = {(2x)}^{2} + (3 - 5)x + (3)( - 5) \\ = \boxed{ \bold{ 4 {x}^{2} - 2x - 15}}$

Answer 2

Step-by-step explanation:

(2x)^2 + {3+(-5)}2x + 3(-5)

4X^2 + (-2)2x - 15

4X^2 - 4X - 15