express each of the following in the form (x+p)^2+q
1. x^2-20x+3
Since (x+p)²=x²+2px+p² we write
x²-20x+3
=(x-10)²-100+3
=(x-10)²-97
100 comes from p².
Expand to check my calculations.
1. x^2-20x+3
x²-20x+3
=(x-10)²-100+3
=(x-10)²-97
100 comes from p².
Expand to check my calculations.