Question

Simplify the following:)​

1) (3.5a - 4.5b)$x^{2}$ - (3.5a + 4.5b)$x^{2}$

Plzzz it is very urgent

Answer 1

Step-by-step explanation:

$(3.5a - 4.5b)x {}^{2} - (3.5a + 4.5b)x {}^{2} \\ 3.5ax {}^{2} - 4.5bx {}^{2} - 3.5ax {}^{2} - 4.5bx {}^{2} \\ 3.5ax {}^{2} - 3.5ax {}^{2} - 4.5bx {}^{2} - 4.5bx {}^{2} \\ 0 - 9bx {}^{2} \\ - b(3x) {}^{2}$