if there are 20% of the boys and 30% of the girls in a high school like tennis, and 60% of the boys and 90% of the girls like ma
1 answer:
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Step-by-step explanation:
Here, we'll need to multiply these two values together. I'll use the expansion formula, which goes as follows:
- Expand
Lets apply this to the following equation:
- Expand.
- Simplify.
- Remove parenthesis and add.
Answer:
x^2+10x+21