Multiply using FOIL or Table method (x + 4) (x + 5)

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Philip Petrov asked Jul 26, 2022

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Multiply using FOIL or Table method (x + 4) (x + 5)

Mathematics
high-school

Philip Petrov asked Jul 26, 2022

by Philip Petrov

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Answer:

${x}^(2) + 9x + 20$

Explanation:

1) Use FOIL method: (a + b) (c + d) = ac + ad + bc + bd.

${x}^(2) + 5x + 4x + 20$

2) Collect like terms.

${x}^(2) + (5x + 4x) + 20$

3) Simplify.

${x}^(2) + 9x + 20$

Therefor, the answer is x² + 9x + 20.

Zhaown answered Jul 30, 2022

by Zhaown

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