Question

Q. Expand the following by using the binomial theorem
(2x - 3) square​

Answer 1

Answer:

your question:

(2x-3)^2

answer:

a=2x,b=3

(a-b)^2=a^2+b^2-2ab

(2x)^2+(3)^2-2(2x)*(3)

=4x^2+9-12x

Answer 2

The correct answer is "4x²-12x+9".

Step-by-step explanation:

$The \ given \ binomial \ is: \\\\(2x-3)^{2}\\\\As \ we \ know \ that \ (a-b)^{2} =(a^{2} +b^{2} -2ab), therefore, \\\\=4x^{2} +9-12x\\\\=4x^2-12x+9$

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