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Earn +20 ptsQ: What is x2 plus 2x - 15?
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Which expression is a factor of x2 plus 2x-15?
x2+2x-15 = (x+5)(x-3) when factored
X2 plus 2x - 15 equals 0?
x²+2x-15=0 x1=-2/2 - Square root of ((2/2)²+15) x1=-1-4 x1=-5 x2=-2/2 + Square root of ((2/2)²+15) x2=-1+4 x2=3
What is the factor of equals X2-2x-15?
x2-2x-15 = (x+3)(x-5) when factored
X2 plus 2x plus 4?
x= -3
Find the sum 3x2 plus 2x plus 3 plus x2 plus x plus 1?
3x2 + 2x + 3 + x2 + x + 1 = 4x 2+ 3x + 4
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