explanation:

=2x2>0 coz it invrsin' its liminiator so thats how it reciprocals on it#always read mathbooks;)1.                                                                                                                     2.)as if its goes in their addition you'll need to ferignifitial on it 17+70=87 so the missing number at right x 80 will you repair on it though you'll see a second power of number then 80and 2 u'll need the product at that and the answer will be                                                                                                                                                         =160 that calls endorament solution of algebraic second xses