Help to do the following math problems 1. In the following equations, the quadratic equation with respect to X is () A. The square of 3 (x + 1) = 2 (x + 1) B. Square of 1 / x + 1 / X-2 = 0 C. The square of AX + BX + C = 0 D. Square of X + 2x = square of X-1 2. The root of equation 2x (x-3) = 5 (x-3) is () A.x=1/2 B.X=3 C.X1=5/2,X2=3 D.X=5/2 3. For any real number x, the square of polynomial x-2x + 3 is a () A. Positive number B. Negative number C. Nonnegative number D. Not sure 4. If there are two unequal real roots of the square - 6x + 9 = 0 of the quadratic equation KX with respect to x, then the value range of K is () A.K＜1 B.K≠0 C. K ＜ 1 and K ≠ 0 D.k＞1 | Math enthusiast | Mathematical art

Help to do the following math problems 1. In the following equations, the quadratic equation with respect to X is () A. The square of 3 (x + 1) = 2 (x + 1) B. Square of 1 / x + 1 / X-2 = 0 C. The square of AX + BX + C = 0 D. Square of X + 2x = square of X-1 2. The root of equation 2x (x-3) = 5 (x-3) is () A.x=1/2 B.X=3 C.X1=5/2,X2=3 D.X=5/2 3. For any real number x, the square of polynomial x-2x + 3 is a () A. Positive number B. Negative number C. Nonnegative number D. Not sure 4. If there are two unequal real roots of the square - 6x + 9 = 0 of the quadratic equation KX with respect to x, then the value range of K is () A.K＜1 B.K≠0 C. K ＜ 1 and K ≠ 0 D.k＞1

1.A
2.C
3.A
4.C

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