Do you need to know what two numbers multiply to -121 and add to 138? In other words, do you need to find the two numbers whose product is -121 and sum is 138? No problem! The two numbers that multiply to -121 and add to 138 are as follows:
-0.87131
138.87131
Here is the math to prove that our above answer to "What two numbers multiply to -121 and add to 138?" is correct:
Multiply:
-0.87131 × 138.87131 ≈ -121
Add
-0.87131 + 138.87131 = 138
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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