Ax2−25x+144=0Bx2−49x+144=0Cx2−25x+12=0Dx2+25x+144=0 Step-by-Step SolutionSum 7, product 12. alpha2 + beta2=49−24=25; alpha2 beta2=122=144. Equation: x2−25x+144=0.Answer: A) x2−25x+144=0