Answer:
x= -3
x= -5
Step-by-step explanation:
x^2 + 8x + 15 = 0
find which 2 numbers when multiplied equal 15 and when added equal 8
they are 3 and 5
(x+3)(x+5)
x+3 =0
x+5=0
x= -3
x= -5
2 would be the answer. Replace the x with the three and multiply that with the 2 and then subtract 4.
Answer:
there is a 1 to 15 relationship between miles and gallons
Step-by-step explanation:
£6.72 not sure but think that’s right, because you divide by ten for ten percent and multiply it by two (20%) then add it to £5.60
