Math, asked by prathup784, 4 months ago

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

Answers

Answered by anmol1383

Answer:

(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

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