Write the equation for a parabola with a focus at (-7,-5)(−7,−5)left parenthesis, minus, 7, comma, minus, 5, right parenthesis and a directrix at x=-4x=−4x, equals, minus, 4. x=x=

answer: what statements

step-by-step explanation if you write the statements down then i could you.

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step-by-step explanation:

you got a boyfriend i bet he doesnt kiss ya

hello from mrbilldoesmath!

answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb