Search 72,391 tutors FIND TUTORS
Search for tutors
Ask a question
0 0

HELP ME OUT PLEASE SOLVE IT..............factor

Tutors, please sign in to answer this question.

2 Answers

(1) 4x2-28x-72
 
 
Step 1: Factor 4 out of the equation
     4(x2-7-18)
 
Step 2: Find two numbers that multiply to get -18 and add to get -7
     4(x-9)(x+2)
 
 
(2) -x2+8x-15
 
Step 1: Factor -1 out of the equation
      -1(x2-8x+15)
 
Following the same steps from #1:
-1(x-3)(x-5) 
 
1)  4(x^2-7x-18)
 
     4(x-9)(x+2)
 
2)  -1(x^2-8x+15)
 
     -1(x-5)(x-3)