Question

(1). (1.5x - 4y) (1.5x + 4y + 3) - 4.5x + 12y. ​

Answer 1

Answer:

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Answer 2

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= ( 1.5x−4y ) ( 1.5x+4y+3 ) − 4.5x+12y

= ( 1.5x ) ( 1.5x ) + ( 1.5x ) ( 4y ) + ( 1.5x ) ( 3 ) − ( 4y ) ( 1.5x ) − ( 4y ) ( 4y ) − 4y×3 − 4.5x+12y

= 2.25x² + 6xy + 4.5x − 6xy 16y²- 12y - 4.5x + 12y

= 2.25x² −16y²

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘᴇᴅ ᴜʜ :)

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