43. Simplify (k – 5) - (k2 + 8).
A - k² + k + 3
B k2 + k + 13
C k²+k+3
D -k2 + k – 13

D.-k^2+k-13

Step-by-step explanation:

(k-5)-(k^2+8)

Expand the brackets. Remember brackets mean to multiply.

k*k^2= k^2+k

-5*+8= -13

Add values together.

k^2+k-13

the correct answer option is (2x-3)(2x+3).

step-by-step explanation:

we are given the following expression and we are to factorize it:

we are to find such factors that when multiplied they give a result of 36 (9 x 4 = 36) and when added they give a result of 0.

the two such factors of 36 are negative six and postive six.

factorizing the given expression to get:

therefore, the correct factorization of is (2x-3)(2x+3).

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation: