Write the equation in standard form. Then factor the left side of the equation.

2x2 + 7x = 15 (question)

(Answers)
(2x – 5)(x + 3) = 0

(2x + 5)(x – 3) = 0

(2x + 3)(x + 5) = 0

(2x – 3)(x + 5) = 0

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)