Answer:
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
Exact Form:
x=1+√5 ,1−√5
I believe the answer is 42 ft
Answer: x=−1 or x=8
Step-by-step explanation: 7x−2=x2−10
Learn how to solve quadratic equations
Khan Academy Video: Solving a quadratic by factoring
Khan Academy Video: Quadratic Formula 1
Answer:
36
Step-by-step explanation:
Given
x² + 12x
To make the polynomial a perfect square
add ( half the coefficient of the x- term)²
= x² + 12x + 6²
= x² + 12x + 36
= (x + 6)² ← a perfect square