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13 questions
x2−x−20x2+10x+24 Simplify.
x+4x+6
(x+6)(x+4)
x+6
x−5x+6
Simplify x2−81x+9
x+9x−9
x−91
x+9
x+91
Complete Step 1: FACTOR
x2−4x2 −5x + 6⋅x2+2x −15(x +6)(x + 5)
(x + 2)(x − 2)(x − 3)(x − 2)⋅(x + 5)(x − 3)(x + 6)(x + 5)
(x + 2)(x − 2)(x + 6)(x − 1)⋅(x −5)(x −3)(x + 6)(x + 5)
Complete Step 2: State the Restrictions
(x+2)(x−2)(x−3)(x−2)⋅(x+5)(x−3)(x+6)(x+5)
x=−2, 2, −5, 3
x=2, −2, 5, −3
x=3, 2, −6, −5
x=−3, 2, −6, −5
Complete Step 3: CANCEL
(x+2)(x−2)(x−3)(x−2)⋅(x+5)(x−3)(x+6)(x+5)
x+2x+6
x+6x+2
(x+2)(x−3)⋅(x−3)(x+6)
Complete Step 1: Multiply by the reciprocal or KFC (Keep, Flip, Change)
x2−363(x−9)÷x2−x−30x−9
3(x−9)x2−36⋅x−9x2−x−30
x2−363(x−9)⋅x−9x2−x−30
Complete Step 2: FACTOR
x2−363(x−9)⋅x−9x2−x−30
(x+6)(x+6)3(x−9)⋅x−9(x−5)(x−6)
(x+6)(x−6)3(x−9)⋅x−9(x−6)(x +5)
Complete Step 3: State Restrictions
(x+6)(x−6)3(x−9)⋅x−9(x−6)(x+5)
x=−6, 6, 9
x=6, −6, −9
x=9, −6, −5
x=−9, −6, 5
Complete Step 4: CANCEL
(x+6)(x−6)3(x−9)⋅x−9(x−6)(x+5)
x+63(x+5)
x+6x+5
(x+6)(x+5)3
b2−14b+40b−4÷b2−3b−70b2+6b+8
6b−3
92b
75b(b−6)
(b+4)(b+2)b+7
3x+18x2+3x−18×x2+7x−30x2+x−90
3x2(x−9)
3x−9
60x+7
(x−3)(x+10)
10m+7010m−20×m+1m2+8m+7
3m+2
203
m−2
m+7m+4
Divide the Rational Expression
x2−3x+2x2−4x−5÷x2−4x2−3x−10
x−1x−5
x−1x+1
x−11
x+1
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