Question

(7x+3) (10x-14) HELP PLEASE

Answer 1

Answer:

70$x^{2}$+30x-140

Step-by-step explanation:

(7x+3) (10x-14)

70$x^{2}$-98+30x-42

70$x^{2}$+30x-42-98

70$x^{2}$+30x-140

Answer 2

Answer:

x = 9

Step-by-step explanation:

These are vertical angles, and thus the angles are equal.

7x + 3 = 10x - 24

Combining like terms, we get

27 = 3x, so that x must be 9.

x = 9