Express x*2 + 10x - 3 in the form (x+p)*2 + q
Step 1 - half the "x" coefficient = +5 Therefore p = +5 and place in brackets (x+5)2Step 2 - square the value of p and subtract 5*2 = 25 (x+5)2 - 25Step 3 - add the number with no x (x+5)2 - 25 -3 (x+5)2 -28
