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求解
x^2 + 6x + q , what is the value of q ?
D
1) X^2 + 6x + q = x^2 + rx + r-2. some r is satisfied for this quotation. All variable X is satisfied for this
2) x^2 + 6x + Q = (x+m)(x+n) , some m and n is satisfied for this quotation. All variable X is satisfied for this
请问some r is satisfied for this quotation. All variable X is satisfied for this是什么意思?
[em00] |
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