Step-by-step explanation:
x² + 2x - 63 = 0
(x+9)(x-7)=0
x=-9 x=7
Answer:
around 230
Step-by-step explanation:
91+122+478=691
691÷3= 230.33333333
I think that the answer is 3x/2yz^3 because I did [(27x^2y^4/16yz^4)*(8z/9xy^4)].
Answer:
def b
Step-by-step explanation: