Question

(1.5x-2.5y)(1.5x+2.5y)=

Answer 1

Answer:

(1.5x)^2 + 1.5x + (-9.375)

Step-by-step explanation:

Question = (1.5x-2.5y)(1.5x+2.5y)

Identity = (X+A)(X-B) = X²+(A+b)X + (AB)X

= (1.5x)²+(-2.5y+2.5y)x + (2.5 X -2.5) 1.5x

=(1.5x)² + 1.5x + (-9.375)

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