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Earn +20 ptsQ: How do you factorise 2x2 -9 plus 4?
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Solve 2x2 plus 4x-9 equals 0?
2*2+4x-9=0 4x=9-4 4x=5 x=5/4
How can you make a multiplication fact using digits 1 through 9?
2x2=4
What is the value of the discriminant for the equation 2x2 plus 3x-4 equals 0?
2X2 + 3X - 4 = 0the discriminant is,b2 - 4ac32 - 4(2)(- 4)9 + 32 = 4141 > 1this means there are two real roots to this equation
Factor 4x5 plus 6x3 plus 6x2 plus 9?
Rearrange: 4x5 + 6x2 + 6x3 + 9 Group: 2x2 (2x3 + 3) + 3 (2x3 + 3) Simplify to get your answer: (2x2 + 3) (2x3 + 3)
What is the discriminant of the polynomial 2x2 plus 4x - 9?
The discriminant is 88.
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