pls answer need it today
1. 3(x² + 7)
2. (x + 4)(x + 4)
3.(2r – 5)(2r – 5)
4. (x + 9)(x – 2)
5.(3 – 4m)²
Please answer the following questions:
1. How did you find each product?
2. In finding each product, what mathematics concepts or principles did you apply? Explain how you applied these mathematics concepts or principles.
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To find each product in the given expressions, here are the steps:
1. For 3(x² + 7):
2. For (x + 4)(x + 4):
3. For (2r – 5)(2r – 5):
4. For (x + 9)(x – 2):
5. For (3 – 4m)²:
1.By following these steps and applying the appropriate mathematical methods, you can find the product of each expression.
2.By applying these mathematical concepts and principles, we were able to find the respective products of the given expressions
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Answer:
1.) 3(x² + 7)
3x²+21
2.) (x + 4)(x + 4)
(x+4)²
•(x+4)(x+4)
x(x+4)+4(x+4)
x²+4x+4(x+4)
x²+4x+4x+16
x²+8x+16
3.)(2r – 5)(2r – 5)
(2r–5)²
2r(2r–5)–5(2r–5)
4r²–10r–5(2r–5)
4r²–10r–10r+25
4²–20r+25
4.) (x + 9)(x – 2)
x(x–2)+9(x–2)
x²–2x+9(x–2)
x²–2x+9–18
x²+7x–18
5.) (3-4m)2
(–4m+3) • 2
2(–4+3)
–8m+6