5272道题目5525 条题源记录 · 相同内容已合并
二次式展开・配方与等价形式进阶
Which of the following expressions is equivalent to \( 12x^{10}-12x^9+48x \) ?
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二次式展开・配方与等价形式进阶
The expression\( \left(3x+4\right)\left(8x-9\right) \)can be written in the form \( ax^2+bx+c \) , where \( a \) , \( b \), and \( c \) are constants. What is the value of \( a \) + \( b \)?
原库参考解析
二次式展开・配方与等价形式挑战
Which expression is equivalent to (3x3-x2+4)(5x2+8x)?
原库参考解析
二次式展开・配方与等价形式挑战
If (x+3)2=30, what is the value of x2+6x?
原库参考解析
二次式展开・配方与等价形式挑战
Which expression is equivalent to (3x 3 -x 2 +4)(5x 2 +8x)?
原库参考解析
二次式展开・配方与等价形式进阶
Which expression is equivalent to\( 6xy\left(2x^2+5y\right) \) ?
原库参考解析
二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 7x^6-2x^5+9x^4 \) ?
原库参考解析
二次式展开・配方与等价形式挑战
Which expression is equivalent to \( \left(8t^4-3t^2+7t-4\right)-\left(4t^4-4t^3+7t^2-4\right) \) ?
原库参考解析
二次式展开・配方与等价形式挑战
Which expression is equivalent to \( \left(9t^4-2t^2+9t-5\right)-\left(4t^4-4t^3+5t^2-5\right)? \)
原库参考解析
二次式展开・配方与等价形式挑战
Which expression is a factor of \( 2x^2+30x+8 \) ?
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二次式展开・配方与等价形式进阶
If \( \left(\frac{1}{2}x-\frac{33}{2}\right)^2-49=0 \), what is the value of \( \left(x-33\right)^2 \) ?
原库参考解析
二次式展开・配方与等价形式进阶
Which expression is equivalent to 49x2+ 49 ?
原库参考解析
