Rewrite the following equations into standard form (ax2+bx+c=0).
1. 2x (x-3) =-5
2. 6x^2-8 = 2x^2-7x
3. 3x+7x^2= 10
4. (x+3)^2= 11
5. 2 (x-4)^2= -2x-4
Im confuse in #2 and #5
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Rewrite the following equations into standard form (ax2+bx+c=0).
1. 2x (x-3) =-5
2. 6x^2-8 = 2x^2-7x
3. 3x+7x^2= 10
4. (x+3)^2= 11
5. 2 (x-4)^2= -2x-4
Im confuse in #2 and #5
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Answer:
1. 2x²-6x+5=0
2. 6x²-2x²+7x-8=0
4x²+7x-8=0
3. 7x²+3x-10=0
4. x²+6x-2=0
5. (2x-8)²=-2x-4
4x²-32x+64=-2x-4
4x²-32x+2x+64+4=0
4x²-30x+68=0