Answer:
9
Step-by-step explanation:
h=x+2
w=x
h+w=20
x+x+2=20
2x=18
x=9
w=x=9
width = 9
Answer:
While factoring may not always be successful, the Quadratic Formula can always find the solution. The Quadratic Formula uses the "a", "b", and "c" from "ax2 + bx + c", where "a", "b", and "c" are just numbers; they are the "numerical coefficients" of the quadratic equation they've given you to solve.
source from: https://www.purplemath.com/modules/quadform.htm
your welcome!
Answer:4
Step-by-step explanation:
Because it’s the right answer
Answer: 9
Step-by-step explanation: so first you remove the ( ) because they’re useless in this then once you remove then Since two opposites add up to zero, remove them from the expression then you only get left with 9.