Question

the solution to this is what x^2-8x+7=0

Answer 1

pick two numbers such that :
they multiply to 7,
and they add up to -8

Answer 2

So whats the answer?

Answer 3

8 i guess

Answer 4

Can you factor \(\large\color{red}{ \rm x^2-8x+7=0 }\) ?

Answer 5

@rg179028: You are expected to do your own work here, asking for guidance (but NOT asking for answers). Both ganeshie8 and SolomonZelman have provided you with hints regarding what to do; have you seriously considered following their advice?