complete the identify (x+a) (x+b)
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Answered by
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Step-by-step explanation:
ᴡᴇ ᴡɪʟʟ ᴅɪsᴄᴜss ʜᴇʀᴇ ᴀʙᴏᴜᴛ ᴛʜᴇ ᴇxᴘᴀɴsɪᴏɴ ᴏғ (x ± ᴀ)(x ± ʙ)
(x + ᴀ)(x + ʙ) = x(x + ʙ) + ᴀ (x + ʙ)
= x + xʙ + ᴀx + ᴀʙ
= x + (ʙ + ᴀ)x + ᴀʙ
(x - ᴀ)(x - ʙ) = x(x - ʙ) - ᴀ (x - ʙ)
= x - xʙ - ᴀx + ᴀʙ
= x - (ʙ + ᴀ)x + ᴀʙ
Answered by
0
Answer:
(x+a) (x+b) = x² + (a+b)x +ab
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