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Solve 4x^2 +x-3 using the box method

User Prembo
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2 Answers

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To use the box method set the equation up like the picture I attached by replacing 2x+1 and x+3 for your equation. Then you multiply it like a multiplication chart. So 4x^2 times x= 4x^3, and put it inside the box and continue with the rest. Hope this helps!
Solve 4x^2 +x-3 using the box method-example-1
User Latice
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7.3k points
9 votes

Answer:

(4x - 3)(x + 1)

Explanation:

=4x² + x - 3

=4x² + 4x - 3x - 3

=4x(x + 1 ) - 3( x + 1)

=(4x - 3)(x + 1)

User Mtl
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7.3k points