1. remove parentheses by multiplying factors
2. use exponent rules to remove parentheses in terms with exponents
3. combine like terms by adding coefficients
4. combine the constants
Standard for is x × 10 ^I
where,
I = indice
10 > x < 0
you cannot write this is standard form with putting in what they stand for. However you can simplify it -
4(8m-7n) +6(3n-4m)
32m - 28n + 18n - 24m
8m - 10n
but hey I am from England do what we call standard form might be different
Lemme try k
(x-3)(x+2)
=x^2-3x+2x-6
x^-x-6
x^2-x-30 = 0
(x-6)(x+5) = 0
x-6 =0
x=6
x+5 =0
x=-5
x=6 or x=-5
great I failed
(x - 5) represents the total charge before applying sales tax.
Answer:
B. (-3, 0) and (-6,0)
Step-by-step explanation:
x intercept when y = 0
so x^2 + 9x + 18 = 0
Factor
(x + 6)(x + 3) = 0
x+6 = 0; x = -6
x+3 = 0; x = -3
Answer
B. (-3, 0) and (-6,0)
