Answer:
x=−3 or x=5
Step-by-step explanation:
x2−2x−15=0
Step 1: Factor left side of equation.
(x+3)(x−5)=0
Step 2: Set factors equal to 0.
x+3=0 or x−5=0
x=−3 or x=5
Answer:
The red will cost him more by $2.21
Step-by-step explanation:
First you multiply the amount of gallons of grey paint and the cost and you get 24.59 x 3= 73.77
The do the same for red
37.99 x 2= 75.98
the red is going to cost him more by 75.98-73.77= $2.21