Answer:
75
Step-by-step explanation:
Given data
First term= 87
Second term= -12
Hence,
87 + (-12)
open bracket
+*-= -
= 87 -12
=75
Therefore the equivalent is 75
(2x+5)(x+1) = 2x²+2x+5x+5
(2x+5)(x+1) =2x²+7x+5.....standard form
n=0