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31-49x
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31-49x
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9x^{2}-24x+16-9x^{2}-25x+15
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-4\right)^{2}.
-24x+16-25x+15
Combine 9x^{2} and -9x^{2} to get 0.
-49x+16+15
Combine -24x and -25x to get -49x.
-49x+31
Add 16 and 15 to get 31.
9x^{2}-24x+16-9x^{2}-25x+15
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-4\right)^{2}.
-24x+16-25x+15
Combine 9x^{2} and -9x^{2} to get 0.
-49x+16+15
Combine -24x and -25x to get -49x.
-49x+31
Add 16 and 15 to get 31.
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Limits
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