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Earn +20 ptsQ: X equals x2 plus 4x-2
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What are the solutions for 5x2-2x plus 16 equals 4x2 plus 6x?
5x2-2x+16=4x2+6x ,or x2-8x+16=0, or x2-2(x)(4)+(4)2=0, or (x-4)2=0, or (x-4)(x-4)=0, or x=4
How do you solve x3 plus 4x2 plus 6x plus 24?
x3 + 4x2 + 6x + 24 = (x2 + 6)(x + 4)
X2 plus 8x equals -3x2 plus 5?
x2+8x = -3x2+5 4x2+8x-5 = 0 (2x+5)(2x-1) = 0 x = -5/2 or x = 1/2
How do you answer 4x2 plus 4x plus 1 equals 9?
Subtract 9 from each side: 4x2 + 4x - 8 = 0Simplify: 4(x2 + x - 2) = 0Factorise: 4(x + 2)(x - 1) = 0So x = -2 or 1 both of which satisfy the original equation.
What is The sum of 3x2 plus 4x and x2-5x plus 3?
4x2 -x -1 :D
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