(x+8)(x-10)use suitable identity
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Answered by
4
Step-by-step explanation:
(x+8)(x-10)
=x2 +(8-10)x -8×10
=de -2x -80
Answered by
12
Using the identity, (x+a)(x+b) = x ²+(a+b)x+ab
[Here, a = 8 and b = −10]
We get,
(x+8)(x−10) = x²+(8+(−10))x+(8×(−10))
= x²+(8−10)x–80
= x²−2x−80
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