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3 years ago

For each algebraic equation, select the property that could be used to solve it: 1. x-3=-5 2. 6x=72 3. x/5=3

1 answer:

5 0

X - 3 = -5........addition property....because u add -3 to both sides

6x = 72.....either division property...because u divide both sides by 6.
or multiplication property...because u multiply both sides by 1/6

x/5 = 3.....multiplication property....because u multiply both sides by 5

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Expand and simplify (x+5)(x-2)

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Answer:

${x}^{2} - x - 12 = (x + 3)(x - 4)$

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Step-by-step explanation:

F [First terms] - Multiply the first terms in each set of parentheses FARTHEST TO THE LEFT

O [Outside terms] - Multiply the first term in the first set of parentheses FARTHEST TO THE LEFT by the last term in the second set of parentheses FARTHEST TO THE RIGHT

I [Inside terms] - Multiply the last term in the first set of parentheses FARTHEST TO THE RIGHT by the first term in the second set of parentheses FARTHEST TO THE LEFT

L [Last terms] - Multiply the last terms in each set of parentheses FARTHEST TO THE RIGHT

${x}^{2} - x - 12 = {x}^{2} - 4x + 3x - 12$

${x}^{2} + 3x + 2 = {x}^{2} + x + 2x + 2$

${x}^{2} + 3x - 10 = {x}^{2} - 2x + 5x - 10$

I am joyous to assist you anytime.

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