Answer:
53
Step-by-step explanation:
73 - 20(1)
73 - 20 = 53
Answer:
380≠−17
Step-by-step explanation:
3(182+2)−172
?=
−17
380≠−17
(x-1) (x + 2) • 3
factor the polynomial...
Polynomial - an algebraic expression consisting of one or more some terms each term consider consisting of a constant multiple and one or more variables raised to integral powers
The substitution property of equality, one of the eight properties of equality, states that if x = y, then x can be substituted in for y in any equation, and y can be substituted for x in any equation.
2k^2+3k-13=k^2+15
subtract k^2 -15 from each side
k^2 +3k -28=0
(k+7)(k-4)=0
k=-7 k=4
Answer: k= -7,4
