12x6 - 16x3 - 15x3 + 20
= 4x3(3x3 - 4) - 5(3x3 - 4)
= (3x3 - 4)(4x3 - 5)
Chat with our AI personalities
The sum of 20 added to itself 20 times is calculated by multiplying 20 by 20, resulting in 400. Therefore, the answer to the given equation is 400.
2+2+2+10+5+5+5+20+20+20+20+20+20=151
65 + 65 + 65 + 90 + 90 + 90 + 90 + 50 + 50 + 50 + 50 + 50 + 50 + 20 + 20 + 20 + 20 + 20 + 20 + 20 = 995
205
16 + 16 + 16 + 17 + 18 + 18 + 18 + 19 + 19 + 20 + 20 + 20 + 21 = 238