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## Answers

Use foil method

(x+4)(x-1)

x times x is x^2

x times -1 is -x

4 times x is 4x

4 times -1 is -4

x^2+-x+4x-4

x^2+3x-4 is the answer

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Use foil method

(x+4)(x-1)

x times x is x^2

x times -1 is -x

4 times x is 4x

4 times -1 is -4

x^2+-x+4x-4

x^2+3x-4 is the answer