10x = -210 how would i find this answer?

To find the answer to -10x=-210 you must divide -210 by -10

-210/-10= 21

Therefore x=21

So the proper equation is -10(21)=-210

You would divide -210 by -10x

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer