Answer:
x=10
Step-by-step explanation:
Let's solve your equation step-by-step.
(x−3)(x−5)=35
Step 1: Simplify both sides of the equation.
x2−8x+15=35
Step 2: Subtract 35 from both sides.
x2−8x+15−35=35−35
x2−8x−20=0
Step 3: Factor left side of equation.
(x+2)(x−10)=0
Step 4: Set factors equal to 0.
x+2=0 or x−10=0
x=−2 or x=10
X=16 because the the small triangle you just multiply the big triangle by 4
In maths, a double negative is a positive, so -3 - -8 is the same as -3 + 8.
-3 +8 = 5
The answer is 5.
Answer:
3 hours
Step-by-step explanation:
We know that $30 of the $105 bill was just to come to the house, leaving $75 of the bill due to the hours spent. Since the rate per hour is $25/hour, that means 75/25 = 3 hours were spent at the house