Answered

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7. Expand & Simplify (5x - 2)(2x + 3)-3(x - 1)^2
(3 Marks)

Sagot :

randytwenefour0

Answer:

9x^2 + 17x

Step-by-step explanation:

(5x - 2)(2x + 3)-3(x - 1)^2

12x^2 + 15x - 4x - 6 -3(x - 1)^2

12x^2 + 11x - 6 - 3(x^2-2-2x)

12x^2 + 11x - 6 - 3x^2 + 6 + 6x

9x^2 + 17x

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