factorize 20xsq. -45
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given that (20 x sq. - 45)
= 5( 4x sq. - 9 )
= 5{(2x)sq. - (3)sq.}
= 5(2x+3)(2x-3).
here is your answer
= 5( 4x sq. - 9 )
= 5{(2x)sq. - (3)sq.}
= 5(2x+3)(2x-3).
here is your answer
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