Question

what are the solutions of the equation a^2 + 7a + 12 = 0?

Answer 1

do you know two numbers what are sum equal 7 and product equal 12 ?

Answer 2

a=-3 and a =-4 use quadratic formula to solve it

Answer 3

usman why minus ?

Answer 4

becoz product of (-3)(-4) gives 12

Answer 5

check it -3 + (-4) not equal +7

Answer 6

yes for 12 is right but this need being true for 7 true too like sum of

ok ?

Answer 7

can you check it like (a-3)(a-4)= ?

Answer 8

no (a+3)(a+4)

Answer 9

put -3 and -4 in da given equation which will give u 0 hence which prooves dat (a+4)(a+3) are factors

Answer 10

ok so than how you will get the solutions of this equation ?

Answer 11

usman why you dont like ending it ?