Which two Native American empires were conquered by the Spanish? Zapotec and Nazca
Maya and Olmec
Olmec and Toltec
Aztec and Inca

Aztec and Inca

Explanation: this should be easy to remember. Inca is like inc and aztec act. You cant act unless someone put ink to a paper for a script.

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but