Math, asked by gunjan6969, 1 year ago

simplify (1.5x+3) (1.5x-3)

ganesh5543: 2.25x^2 - 9

gunjan6969: can we write 2.25x^-9

Answers

Answered by 8171402510

1

(1.5x) ^2-(3)^2....

Answered by Anonymous

2

(a+b)(a-b)=a^2-b^2

Therefore,

(1.5x+3)(1.5x-3)= (1.5x)^2-3^2=2.25x^2-9

Ans- 2.25x^2-9

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