Answer:
Step-by-step explanation:
x² + 9x+8 = (x+1)(x+8)
286
*(0.168) 1*.75-9386
2865
n(AUB)=n(A)+n(B)–n(AnB)
n(AUB)=n⁰(A)+n⁰(B)+n(AnB)
This is the formula i have learned. Hope this will help u. U can use them according the question type.