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Solve the following quadratic equations:

Question 1: $5h^2 - 36h + 7=0$	Question 2: $81a^2 - 4=0$
Question 3: $15t^2 - 21t=0$	Question 4: $49v^2 - 1=0$
Question 5: $11b^2 - 34b + 3=0$	Question 6: $18s^2 + 66s=0$
Question 7: $7g^2 - 36g + 5=0$	Question 8: $3q^2 - 5q + 2=0$
Question 9: $3f^2 -5f - 2=0$	Question 10: $11z^2 - 2z=0$
Question 11: $5e^2 +14e - 3=0$	Question 12: $7u^2 -76u - 11=0$
Question 13: $64d^2 - 9=0$	Question 14: $25n^2 - 36=0$
Question 15: $7y^2 -20y - 3=0$	Question 16: $3k^2 + 14k + 11=0$
Question 17: $2j^2 + 5j + 2=0$	Question 18: $2w^2 -3w - 2=0$
Question 19: $2p^2 - 23p + 11=0$	Question 20: $5r^2 + 36r + 7=0$
Question 21: $20m^2 + 50m=0$	Question 22: $2c^2 +9c - 5=0$

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Question 1: $(h-7)(5h-1)=0$ $\implies h=7 , h={\Large\frac{1}{5}}$	Question 2: $(9a+2)(9a-2)=0$ $\implies a=-{\Large\frac{2}{9}} , a={\Large\frac{2}{9}}$
Question 3: $3t(5t-7)=0$ $\implies t=0 , t={\Large\frac{7}{5}}$	Question 4: $(7v+1)(7v-1)=0$ $\implies v=-{\Large\frac{1}{7}} , v={\Large\frac{1}{7}}$
Question 5: $(11b-1)(b-3)=0$ $\implies b={\Large\frac{1}{11}} , b=3$	Question 6: $6s(3s+11)=0$ $\implies s=0 , s=-{\Large\frac{11}{3}}$
Question 7: $(7g-1)(g-5)=0$ $\implies g={\Large\frac{1}{7}} , g=5$	Question 8: $(3q-2)(q-1)=0$ $\implies q={\Large\frac{2}{3}} , q=1$
Question 9: $(3f+1)(f-2)=0$ $\implies f=-{\Large\frac{1}{3}} , f=2$	Question 10: $z(11z-2)=0$ $\implies z=0 , z={\Large\frac{2}{11}}$
Question 11: $(5e-1)(e+3)=0$ $\implies e={\Large\frac{1}{5}} , e=-3$	Question 12: $(u-11)(7u+1)=0$ $\implies u=11 , u=-{\Large\frac{1}{7}}$
Question 13: $(8d+3)(8d-3)=0$ $\implies d=-{\Large\frac{3}{8}} , d={\Large\frac{3}{8}}$	Question 14: $(5n+6)(5n-6)=0$ $\implies n=-{\Large\frac{6}{5}} , n={\Large\frac{6}{5}}$
Question 15: $(7y+1)(y-3)=0$ $\implies y=-{\Large\frac{1}{7}} , y=3$	Question 16: $(k+1)(3k+11)=0$ $\implies k=-1 , k=-{\Large\frac{11}{3}}$
Question 17: $(j+2)(2j+1)=0$ $\implies j=-2 , j=-{\Large\frac{1}{2}}$	Question 18: $(w-2)(2w+1)=0$ $\implies w=2 , w=-{\Large\frac{1}{2}}$
Question 19: $(2p-1)(p-11)=0$ $\implies p={\Large\frac{1}{2}} , p=11$	Question 20: $(r+7)(5r+1)=0$ $\implies r=-7 , r=-{\Large\frac{1}{5}}$
Question 21: $10m(2m+5)=0$ $\implies m=0 , m=-{\Large\frac{5}{2}}$	Question 22: $(c+5)(2c-1)=0$ $\implies c=-5 , c={\Large\frac{1}{2}}$