=(−12+14)×(39+1113)×(−57)×(−15+1115)
=−(11)×(251)×(17)(133)
=−151021
Solve the following inequation:
13x−5<15x+4<7x+12,x∈R.
Question 77
Solve the following:
3(5x-7)+2(9x-11)=4(8x-7)-111
Re-arrange suitably and find the sum in each of the following :
(i)1112+−173+112+−252
(ii)−67+−56+−49+−157
(iii)35+73+95+−1315+−73
(iv) 413+−58+−813+913
(v)23+−45+13+25
(vi) 18+512+27+712+97+−516