Answer:
1. 3x^2 +21
2. x^2 + 16
3. x^2 - 25
Step-by-step explanation:
3 • x^2 and 3 • 7 = 3x^2 + 21
x • x and 4 • 4 = x^2 + 16
x • x and 5 • (-5) = x^2 - 5 (naging negative kasi opposite sign yung pinag multiply)
no further explanation distributing lang yan.
1. 3x²+21
2. x²+8x+16
3. x²-25
hope this helpss
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Answers & Comments
Answer:
1. 3x^2 +21
2. x^2 + 16
3. x^2 - 25
Step-by-step explanation:
3 • x^2 and 3 • 7 = 3x^2 + 21
x • x and 4 • 4 = x^2 + 16
x • x and 5 • (-5) = x^2 - 5 (naging negative kasi opposite sign yung pinag multiply)
no further explanation distributing lang yan.
Answer:
1. 3x²+21
2. x²+8x+16
3. x²-25
hope this helpss