Do you need to know what two numbers multiply to 138 and add to 78? In other words, do you need to find the two numbers whose product is 138 and sum is 78? No problem! The two numbers that multiply to 138 and add to 78 are as follows:
1.81129
76.18871
Here is the math to prove that our above answer to "What two numbers multiply to 138 and add to 78?" is correct:
Multiply:
1.81129 × 76.18871 ≈ 138
Add
1.81129 + 76.18871 = 78
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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