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NeX [460]
3 years ago
15

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

Mathematics
1 answer:
mylen [45]3 years ago
5 0

Answer:

{x}^{2}  + 9x + 20

Step-by-step 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

<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><u>x</u><u>²</u><u> </u><u>+</u><u> </u><u>9x</u><u> </u><u>+</u><u> </u><u>20</u>.

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Answer:

Step-by-step explanation:

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Step 1: Add -10 to both sides.

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Answer:

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———————————————————

Let's solve for x.

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