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Earn +20 ptsQ: What is 2x squared plus 5x-4x squared plus x-x squared?
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What is x plus 2x plus 14 equals 5x plus 2?
x+2x+14=5x+214-2=5x+2x+x10=8x10/8=xx=5/4 ans.
What is xx plus 2x plus 3x plus 6 equal to?
X can't be solved, you don't have anything on the right side of the equal.
What is -0.5x2 plus 2x plus 10?
Doesn't factor evenly, use quadratic -.5xx+2x+10 -.5(xx-4x-20) No factors of -20 add up to -4
What is the solution of the equation of 4x equals 2x plus 14?
First, write it in a mathematical equation form:4x=2x+14Next, subtract 2x from both sides2x = 14Divide both sides by xx = 7
What is IXX squared showing all your working?
IXX (19) squared = -I(-I+XX)+XX(-I+XX) Multiplying out brackets = +I-XX-XX+CCCC Collecting like terms = -XXXX+CCCC+I (401-40) Then when simplified = CCCLXI (361) which is the correct answer. Remember that in maths a minus number multiplied by a minus number produces a plus number. Thus -I times -I is +I. David Gambell, Merseyside, England.
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