Question

Add:
3mn, -5mn, 8mn, -4mn

${2x3x - 4x - 5x}^{2}$

Answer 1

$Heya$‼


♣ We have to add 3mn, -5mn, 8mn and -4mn .

3mn + ( –5mn ) + 8mn + ( –4mn )

=> 3mn – 5mn + 8mn – 4mn

=> 3mn + 8mn – 5mn – 4mn

=> 11mn – 9mn

=> 2mn


♣ Quadratic polynomial : $2x3x - 4x - 5x^2$

$=>6x-4x-5x^2$

$=>2x-5x^2$

$=>5x^2=2x$

$=>\frac{x*x}{x}=\frac{2}{5}$

$=>x= \frac{2}{5}$

$=>x=0.4$