Melvin is building a castle with a series of towers out of blocks. Each tower has twice as many blocks as the previous tower, an

Question

3 years ago

9

Melvin is building a castle with a series of towers out of blocks. Each tower has twice as many blocks as the previous tower, an

d then 3 more. If the first tower has x^2+2x+3 blocks in it, and Melvin builds 5 towers in all, how many blocks will he have used in total?

Mathematics

1 answer:

Aneli [31] · Answer 1 · 2022-03-24T08:45:57+03:00

Aneli [31]3 years ago

8 0

X^2+2x+3+2(x^2+2x+3)+3+4(x^2+2x+3)+6+8(x^2+2x+3)+9+16(<span>x^2+2x+3)+12
add that up and you will get your answer and you get </span><span>31x²+62x+123</span>