Practice problem
If x2+4x+4=(x+a)(x+b)x^2 + 4x + 4 = (x+a)(x+b)x2+4x+4=(x+a)(x+b), find a+ba+ba+b.
−2-2−2
222
−4-4−4
444
Type a concept, like “slope” or “photosynthesis”.
