(X+2)^2-4 = (X+2)(x+2)-4
Factor:
X^2+4x+4-4
X^2+4x
X(x+4)
X=0, x=-4
Answer: 34/25
Step-by-step explanation:
(136÷4)(100÷4) = 34/25 when reduced to the simplest form. As the numerator is greater than the denominator, we have an IMPROPER fraction,
28 is 80% of what number....
28 = 0.80x
28/0.80 = x
35 = x.......so 28 is 80% of 35