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Slav-nsk [51]
3 years ago
5

Which values of a and b make the following equation true (5x^7y^2) (-4x^4y^5) = -20x^a y^b

Mathematics
1 answer:
Nadya [2.5K]3 years ago
5 0
In x^7•x^4, how many x’s are multiplied together? (There’s 7 in the first factor and 4 in the second.)

x^7•x^4 = x^__? This is your a-value.

Similarly, y^2•y^5 = y^__? How many y’s are there in total being multiplied? This is your b-value.
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