Answer:
X1=-4+4i
X2=-4-4i
Step-by-step explanation:
X^2+8x+32=0
Δ=b^2-4ac=8^2-4(32)=-64<0
X1=(-b-i√Δ) /2a=(-8-8i)/2=-4-4i
X2=(-b+i√Δ) /2a=(-8+8i)/2=-4+4i
14 2/5 as a decimal is 14.4
3/8 as a decimal is 0.375
14.4 ÷ 0.375 = 38.4 or 38 2/5
Shes is wrong because 30% of 80 is 24
