multile by a bianomial by bianomial (a+2)and (a+10)
Answers
Answered by
0
Step-by-step explanation:
a^2 + 10a + 2a + 20
a^2 + 12a + 20
a^2 + 10a + 2a + 20
a(a+10) + 2(a+10)
(a+2)(a+10)
a+2 =0
a = -2
or
a+10 = 0
a = -10
Answered by
0
You can e identity (x+a) (x+b) = x²+(a+b)x + ab
Here a and b are 2 and 10..
= a²+ (2+10)a + 2 × 10
= a²+12a + 20.. This is your ans.
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