Answers

2015-05-15T20:19:14+05:30
First factorize 192 x^2+4x-192=x^2-12x+16x-192 =x(x-12)+16(x-12) =(x-12)(x+16) x=12 or x=-16 The zeroes are 12 & -16
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2015-05-15T21:07:30+05:30
⇒x² + 4x -192 = 0
⇒x² + 16x - 12x - 192 = 0
⇒ x ( x + 16 ) -12 ( x + 16 ) = 0
⇒ ( x + 16 ) ( x - 12 )

⇒ There fore.. 
⇒ X = - 16 and X = 12
 
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