Maria is making a frame for a rectangular garden. She uses a string to measure the length of the diagonal. Which equation should Maria use to ensure that the frame has 90° angles?

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step-by-step explanation:

π^°×{{€€

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3

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