Two plus 3 minus 2 times 1 squared plus 4 times 16 squared minus 4 times 2 is equal to 1,019.

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a square minus b square

plus or minus. You see it often with square roots. The square root of 9 is plus or minus 3.

This one's ugly.(5 times the square root of 23 minus 4it)(5 times the square root of 23 plus 4it)where i is the square root of negative one.

No, nor is it a real number. The square root of minus 54 is equal to the square root of plus 45, times i.

No, it becomes a plus, since minus x minus = plus

29.5

plus or minus 15

A square root.

The answer is 0.

Plus or minus the base. If the base is X and you square it, you get X2. If you take the square root of that, you get Plus or Minus X. This is because X*X equals X2 and -X*-X also equals X2.

52

pi it's so easy

7m2 + 6.5n - 4n + 2.5m2 - n = 9.5m2 + 1.5n

(x squared plus the square root of 2) times (x squared minus the square root of 2).

14

The square roots of 19 are plus and minus 4.3589 (rounded)

X2+5x-6. a=1, b=5, and c=-6 The formula is: -b plus or minus the square root of b squared minus 4ac all over 2a. -b+square root of b2-4ac ---- 2a -5 plus or minus the square root of 5 squared minus 4(1)(-6) -5 plus or minus the square root of 25-4(-6) -5 plus or minus the square root of 25+24 -5 plus or minus the square root of 49 -5 plus or minus 7 Here is where you split into two different answers: Number 1: -5 plus 7= 2 Number 2: -5 minus 7= -12 Your answer is X=2, -12

Multiply everything by the square root of 3 minus the square root of 2 and then times that by 100 - 72 and divide that by 5

a2 + 62 = 122 a2 + 62 - 62 = 122 - 62 a2 = 144 - 36 a2 = 108 taking the square root of each side, we get a equal plus or minus the square root of 108, or plus or minus 6 times the square root of 3.

In one bracket, write 16 times the square root of 2 minus 3x. In the other one, write 16 times the square root of 2 plus 3x.

negative b plus or minus the square root of b minus 4 times ac all over 2 a

Plus or minus 250 square metres.'27 squares' is calculated in square feet.

square root -5 minus 14 or - square root -5 minus 14