Question

guys please solve this one on paper there are 2 Q OK. Plz solve on paper explaining it. Plz guys. Open full picture ​

Answer 1

Step-by-step explanation:

$\bf{\underline{\underline\red{Question\:1:-}}}$

a + b -(2a + 3b + ab) + 6ab +( a - 4b - 2ab)

$=\rm a + b -(2a ) + (- 3b ) + ( - ab) + 6ab + a - 4b - 2ab$

$=\rm a + b -2a - 3b - ab + 6ab + a - 4b - 2ab$

Arrange all the like terms together

$=\rm a -2a + a- 3b - 4b + b- ab+ 6ab - 2ab$

$=\rm 2a -2a - 7b + b+ 6ab - 3ab$

$=\rm - 6b +3ab$

$=\rm 3ab - 6b$

$\bf{\underline{\underline\purple{Question\:2:-}}}$

2x²y - 3x² + yx² - y² + 2x² - 6y² + 4x²y - 2y²

Arrange all the like terms together

= 2x²y + x²y + 4x²y - 3x² + 2x² - y² - 6y² - 2y²

= (2 + 1 + 4)x²y + (-3 + 2 )x² + (-1 -6 -2) y²

= (7)x²y + (-1)x² + (-9)y²

= 7x²y - 1x² - 9y²

= -x² + 7x²y - 9y²

Required Answer:-

• (1) 3ab - 6b

• (2) -x² + 7x²y - 9y²