Question

(3a-1.5)(3a+1.5) using suitable identity......Can anyone answer with steps??

Answer 1

Answer:

suitable identity is (a²-b²)=(a-b)(a+b)

Step-by-step explanation:

take 3a = a and b = 1.5

now ,

Answer will : {(3a)² -(1.5)²}

Answer 2

Answer:-(3a)to the power 2 -(1.5) to the power 2

Step-by-step explanation:-(a+b) (a-b) =a to the power 2 - b to the power 2

=(3a)to the power 2 -(1.5) to the power 2

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