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Factorise : (2x^(2)+5x)(2x^(2)+5x-19)+84...

Factorise : `(2x^(2)+5x)(2x^(2)+5x-19)+84`

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To factorize the expression \((2x^2 + 5x)(2x^2 + 5x - 19) + 84\), we will follow these steps: ### Step 1: Substitute Let \(y = 2x^2 + 5x\). Then, we can rewrite the expression as: \[ y(y - 19) + 84 \] ...
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