pllź tell the answer 2questions
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= ( (3a)^2 + 2×3a×1 +(1)^2 ) - (6b)^2
= (3a+1)^2 - (6b)^2
=(3a+1+6b)(3a+1-6b)
2.(4x^2 -9y^2) -2x-3y
= (2x)^2 -(3y)^2 ) -1 ( 2x + 3y)
= (2x+3y)(2x-3y) -1 (2x + 3y)
( 2x+3y)(2x-3y-1)
hope it helps u
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