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Solve the following quadratic equations:

Question 1: $3b^2 +20b - 7=0$	Question 2: $7n^2 - 22n + 3=0$
Question 3: $28a^2 - 8a=0$	Question 4: $3t^2 + 8t + 5=0$
Question 5: $64s^2 - 4=0$	Question 6: $7h^2 -76h - 11=0$
Question 7: $j^2 - 16=0$	Question 8: $5f^2 + 7f + 2=0$
Question 9: $11r^2 - 13r + 2=0$	Question 10: $100q^2 - 49=0$
Question 11: $11v^2 -54v - 5=0$	Question 12: $10k^2 + 15k=0$
Question 13: $2m^2 - 7m + 5=0$	Question 14: $2p^2 -3p - 2=0$
Question 15: $9z^2 - 81=0$	Question 16: $27e^2 - 45e=0$
Question 17: $22g^2 + 14g=0$	Question 18: $5y^2 +14y - 3=0$
Question 19: $5u^2 - 12u + 7=0$	Question 20: $2c^2 + 5c + 3=0$
Question 21: $3w^2 -14w - 5=0$	Question 22: $3d^2 - 14d + 11=0$

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