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What does a minus plus a minus equal9?
In Maths double sign symbols can be tabled as = + = - = - = + NB If no symbol is given in front of a number, then read it as plus(+).
What is the answer to negative x minus 4x minus 7 equals negative 2x plus 5?
x= Negative 4
Can you perform and simpilify the indicated operation 4 over x minus four.minus.3 over x plus 2?
4/x-4 - 3/x+2 simplifies to 1/x+2
How does the formula -b over 2a work?
The quadratic formula is "[minus b] over 2a, plus or minus the square root of [b squared minus 4ac], over 2a". where the formula for the variable is in the form a(x2) + b(x) + c = 0 By setting the equation into this form, you can use the integer values a, b, and c to find the solution for x, simply by multiplying, taking the square root, and adding. As the equation describes a curve, the two solutions (plus or minus) are the x-intercepts (y=0) of the curve, and the y-intercept (x=0) is at c. * For the shorter form ax2 + 2kx + c where k is an even number, see the related link.
The conjugate of the complex number 3 plus 2i is?
It is 3 minus 2i
