Answer:
= (x+4) (x-7)
Step-by-step explanation:
x²-3x -28
Product = -28
Sum = -3
numbers = -7 and 4
Thus;
x²- 3x -28 ; replacing -3x with -7x and 4x
x²-7x +4x -28
x(x-7) + 4(x-7)
<u>= (x+4) (x-7) </u>
Answer:
C) -8 + 3a + 10 -a = 2a + 2
Step-by-step explanation:
Answer:

• Group the h terms by organised term arrangement :

• Then using distributive property, factorise out the value h so that the reverse is true.

• for the variable "lw", divide it by h in order to add it to the bracket of (w + l). Make sure the reverse is true:

• finally, completely factorise out the value h

Answer:383.4
Step-by-step explanation:

<em><u>Solution:</u></em>
<em><u>Given functions are:</u></em>

To Find: 
By definition of compound functions,

Substitute p(x) value in x place in k(x)

Thus the required is found