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1692710x^{2}-99726x+3294
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1692710x^{2}-99726x+3294
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9x^{2}-150x+625+\left(10x-35\right)^{2}+\left(1301x-38\right)^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-25\right)^{2}.
9x^{2}-150x+625+100x^{2}-700x+1225+\left(1301x-38\right)^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(10x-35\right)^{2}.
109x^{2}-150x+625-700x+1225+\left(1301x-38\right)^{2}
Combine 9x^{2} and 100x^{2} to get 109x^{2}.
109x^{2}-850x+625+1225+\left(1301x-38\right)^{2}
Combine -150x and -700x to get -850x.
109x^{2}-850x+1850+\left(1301x-38\right)^{2}
Add 625 and 1225 to get 1850.
109x^{2}-850x+1850+1692601x^{2}-98876x+1444
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(1301x-38\right)^{2}.
1692710x^{2}-850x+1850-98876x+1444
Combine 109x^{2} and 1692601x^{2} to get 1692710x^{2}.
1692710x^{2}-99726x+1850+1444
Combine -850x and -98876x to get -99726x.
1692710x^{2}-99726x+3294
Add 1850 and 1444 to get 3294.
9x^{2}-150x+625+\left(10x-35\right)^{2}+\left(1301x-38\right)^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-25\right)^{2}.
9x^{2}-150x+625+100x^{2}-700x+1225+\left(1301x-38\right)^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(10x-35\right)^{2}.
109x^{2}-150x+625-700x+1225+\left(1301x-38\right)^{2}
Combine 9x^{2} and 100x^{2} to get 109x^{2}.
109x^{2}-850x+625+1225+\left(1301x-38\right)^{2}
Combine -150x and -700x to get -850x.
109x^{2}-850x+1850+\left(1301x-38\right)^{2}
Add 625 and 1225 to get 1850.
109x^{2}-850x+1850+1692601x^{2}-98876x+1444
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(1301x-38\right)^{2}.
1692710x^{2}-850x+1850-98876x+1444
Combine 109x^{2} and 1692601x^{2} to get 1692710x^{2}.
1692710x^{2}-99726x+1850+1444
Combine -850x and -98876x to get -99726x.
1692710x^{2}-99726x+3294
Add 1850 and 1444 to get 3294.
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