F(x) = (x - 3)(x - 7)
expanding the brackets gives:
f(x) = x^2 - 10x + 21
For solving varible's and for real life questions.
EXAMPLE when you want to figur out what does X eqles
X×4=12 you have to take 12÷4 and that eqles 3
Answer:
54 years old
Step-by-step explanation:
Equation: 138=300-3x
Subtract 300 from each side: -162=-3x
Divide each side by -3: x=54
Answer:
Step-by-step explanation:
4x = 4x1 y=1