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Q: Why does 2 times X plus one all squared equal 2 times X minus one all squared plus 8 times X?

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

x is equal to negative b plus or minus the square root of b squared minus 4 times "a" times "c" all over 2 times "a"

+ times a + = a plus- times a + = a minus- times a - = a plus+ times a - = a minus

All the time

Yes it does. A minus is the opposite of something, so the minus of a minus is a plus.

This expression factors as x -1 quantity squared.

X= plus or minus 1

1

-2 times -2 = plus 4 since minus times minus is plus

2

It is impossible but if it were x squared plus 2x minus 15 the equation would be (x+5) (x-3) with x being equal to either -5 or 3. If the original problem was x squared minus 2x minus 15 the equation would be (x-5)(x+3) and x would be equal to either 5 or -3

You have to put your heart into it!

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.

This is called an inequality. If x squared is greater than or equal to 49, then x is plus or minus 7 or greater than plus 7 or less than - 7.

Four squared plus 188,898 minus 17,798 plus 188,898 = 360,014

hello

7 plus 7 divided by 7 plus 7 times 7 minus 7 is equal to 50.

-22 - -22

the same as pi squared, which is 9.86960440109

No

Assuming the thing is as written and there are no brackets missed out then it is just 4 squared times 3 = 16x3=48.

2 times 2 plus 2 times 2 plus 2 minus 2 times 2 is equal to 6.

8 plus 1 times 12 minus 13 is equal to seven.

Three minus three times six plus two is equal to -13.

1 minus 2 plus 123 times 4 is equal to 491.