factorise x^2 - 2x + 7/16
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here, given expression x² - 2x + 7 / 16
squaring both sides we get,
=> 16x² - 32x + 7 / 16
= > 16x² - ( 28 + 4 ) x + 7 / 16
= > 16x² - 28x - 4x + 7 / 16
= > 4x ( 4x - 7 ) -1 ( 4x - 7 ) / 16
= > ( 4x - 7 ) ( 4x - 1 ) / 16
= > 1 / 16 ( 4x - 7 )( 4x - 1 )
squaring both sides we get,
=> 16x² - 32x + 7 / 16
= > 16x² - ( 28 + 4 ) x + 7 / 16
= > 16x² - 28x - 4x + 7 / 16
= > 4x ( 4x - 7 ) -1 ( 4x - 7 ) / 16
= > ( 4x - 7 ) ( 4x - 1 ) / 16
= > 1 / 16 ( 4x - 7 )( 4x - 1 )
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