Do you need to know what two numbers multiply to 20 and add to 9? In other words, do you need to find the two numbers whose product is 20 and sum is 9? No problem! The two numbers that multiply to 20 and add to 9 are as follows:
4
5
Here is the math to prove that our above answer to "What two numbers multiply to 20 and add to 9?" is correct:
Multiply:
4 × 5 = 20
Add
4 + 5 = 9
The answers above are rounded if necessary. Therefore, if you double check that the answer above is correct by using a calculator, you may find it to be slightly off.
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