(x-4)(x-3) so what you do is
x -4
x x^2 -4x
-3 -3x 12
x^2-7x+12
your answer would be -7x
Answer:
Value of z = 7
Value of y = 30
Step-by-step explanation:
We are given the following equations in the question:

We have to solve the given equation for y and z.
Equating the two equations we get,

Value of z = 7
Value of y = 30
Hey there! I'm happy to help!
This is the distributive property. You multiply something outside the parentheses by each term inside. 7(-1)=-7 and 7(9)=63, so -7+63.
Have a wonderful day! :D