(2x^2 + 7x - 5) + (-8x^2 - 3x + 5)
= -6x^2 + 4x
That is the answer, but if you need to factor it further:
= 2x(-3x + 2)
Answer:

Step-by-step explanation:
Given that, O is the center of the circle and PQ is a tangent to the circle at point Q. OQ is a radius of the circle.
We know that, a tangent to a circle is a line which just touches the circle. And the angle between the tangent and radius is 90°.
Hence, ΔOQP is a right angle triangle. We know that the sum of the measurements of all the 3 angles of a triangle leads to 180°. So,



In here, we could write an equality as x – 12 < 65. In solving inequalities, we follow the same rule as solving algebraic expressions. We will transpose 12 to the other side, giving us x < 65 + 12. Simplifying, we have x < 77. Geraldo must have a bill less than $77 in order for him not to spend more than $65.