係数 -x^2 - 3x + 40
Factorize: x^2 - 3x - 40
Factoring Trinomials
Factorize following expressions (i) `x^(2)+3x-40\" (ii)\"x^2-3x-40\"
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試行錯誤を使用して A が 1 ではない三項式を因数分解する: 7a^2+18a-40、3x^2-23x-36
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