数学
初中
已解决

who can teach me ?

Answers

✨ Best Answer ✨

2Px^2+2Px-10x-25=8x^2+2Qx+5Q+R
P=4
Q=-1
R=20

月寂兔

R=-20

Mr .mine

but my book answer ,Q=5 ,R=-50
I just want to know the formula

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