I need help please answer this with solution.thanks
Find the product of the following using FOIL Method.
1. (x+2) (x+7)
2. (7x-8y) (3x+5y)
3. (x-5) (x+5)
4. (3x-2y)²
5. (x+8)²
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I need help please answer this with solution.thanks
Find the product of the following using FOIL Method.
1. (x+2) (x+7)
2. (7x-8y) (3x+5y)
3. (x-5) (x+5)
4. (3x-2y)²
5. (x+8)²
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Answer:
837(383832)
Step-by-step explanation:
8373738+-838292292+82922
Answer:
1. F: x•x= x^2
O: x•7
I: 2•x
L: 2 x 7=14
2. F: 7x • 3x
O: 7x • 5y
I: -8y • 3x
L: -8y • 5y
3. F: x•x
O: x•5
I: -5 • x
L: -5 • 5= -25
Create a binomial first
4. (3x - 2y) (3x-2y)
F: 3x • 3x
O: 3x • -2y
I: -2y • 3x
L: -2y • -2y
5. (x+8) (x+8)
F: x • x
O: x•8
I: 8• x
L: 8 • 8 = 64
P.S. negative times negative= positive
negative times positive= negative
negative plus negative= negative
negative plus positive = the sign depends on the largest number
hope it helps