use suitable identity to find this product (3x+4)(3x-5)
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(3x+4) (3x+5)
(x+a) (x+b)=x^2+(a+b)x +ab
=(3x)^2+(4+5)3x+4*5
9x square + 9*3x+20
9x square + 27x+20
HOPE IT HELP
(x+a) (x+b)=x^2+(a+b)x +ab
=(3x)^2+(4+5)3x+4*5
9x square + 9*3x+20
9x square + 27x+20
HOPE IT HELP
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