Question

$(1.5 x - 4y)(1.5 + 4y + 3) - 4.5x + 12y$
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Answer 1

Answer:

16y²-4.5x +6.75

Step-by-step explanation:

(1.5 x - 4y)(1.5 + 4y + 3) - 4.5x + 12y

1.5(1.5+4y+3)-4y(1.5+4y+3)-4.5x+12y

2.25+ 6y +4.5 -6y - 16y²-12y -4.5x+12y

16y²-4.5x +2.25+4.5 +6y-6y -12y +12y (+ , - are cancelled)

16y²-4.5x +6.75