morganfarmer787 morganfarmer787

16-04-2021
Mathematics

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3. (a) Expand and simplify the following expression.
X(5x-2)-3(x^2-2x+7)

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brenbren35155 brenbren35155

16-04-2021

This will be the answer

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remove2384 remove2384

16-04-2021

Answer:

5xX - 3x^2 - 2X + 6x - 21

Step-by-step explanation:

x(5x-2)-3(x^2-2x+7) =

5x^2-2x-3(x^2-2x+7)

=

5x^2-2x-3x^2+6x-21

=(combine the like terms)

2x^2-2x+6x-21

=

2x^2+4x-21

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