When you prepare a punnett square as a tool to solve a genetics problem, what do the letters you write in the boxes represent?

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

Asap 25 pts brainliest to right best/answer

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5