Expand it so the expression would equal
5x^2+11x+2=-1
move the negative one over by adding one to both sides
5x^2+11x+3=0
then do the quadratic formula
x=-b+/- (√(b^2-4ac))/2a
where b = 11 a=5 and c=3
Answer:
166.67
Step-by-step explanation:
Answer:
43.88
Step-by-step explanation:
Using the sine rule
Answer:
Step-by-step explanation:
ab=ab (common)
angle d = angle c (isosceles prperty)
angle a = angle a (common)
there for the triangle is congruent so sides are congruent by CPCT