Math, asked by mahijain3122004, 1 year ago

factorise the following expresion :- 1) (a)^ 2 +(b)^2-2ab-(x)^2-(y)^2-2xy and 2) (x) ^2+80+18x

Answers

Answered by Thatsomeone
2
a^2 + b^2 - 2ab - x^2 - y^2 - 2xy

= ( a - b )^2 - ( x^2 + y^2 + 2xy )

= ( a - b )^2 - ( x + y )^2

2 )

x^2 + 80 + 18x

= x^2 + 18x + 80

= x^2 + 10x + 8x + 80

= x ( x + 10 ) + 8 ( x + 10 )

= ( x + 10 ) ( x + 8 )
Answered by GeniusYH
1
Heya !
Your answer is in the pic.

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