Question

[2*(3²+5³-13)+3*17-23]*10³

Answer 1

[2*(3²+5³-13)+3*17-23]*10³

= [2(9+5³-13)+51-23)*10³=

= [2(-4+5³)+51-23)*10³=

= (-8+2*5³+51-23)*10³=

= -8*10³+2*50^3 +51*10^3-23*10^3=

= 20*10³+2*50^3=

= (20+2*5^3)*10^3=

= (20+2*125)*1000=

= (20+250)*1000=

= 270*1000=

=270000