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Question
multiplying polynomials {coloring activity!} name: sharon castillo date: 1-28-26 per: 7,8 set 1 simplify each expression. then, find the sum of your answers in each row. 1 ((x + 4)(x + 7)) ((x + 8)(x + 5)) 2 ((x + 9)(x - 2)) ((x + 6)(x - 3)) 3 ((x - 5)(x + 6)) ((x - 2)(x + 1)) 4 ((x - 4)(x - 1)) ((x - 7)(x - 5)) 5 ((2x - 10)(x + 3)) ((3x + 1)(x - 4)) 6 ((4x - 5)(x - 2)) ((x - 5)(x - 5)) set 2 simplify each expression. then, find the difference of your answers in each row. 7 ((7x + 3)(x - 9)) ((5x + 3)(x + 1)) 8 ((2x + 1)(2x - 1)) ((x + 4)(x - 4)) 9 ((4x + 1)(3x - 7)) ((3x - 4)(2x - 8)) 10 ((3x - 1)^2) ((x + 6)^2) 11 ((x - 2)(x^2 + 8x - 1)) ((x + 4)(x^2 - 5x + 9)) 12 ((3x + 5)(x^2 - 10x + 2)) ((2x - 1)(x^2 - 3x - 7)) match the question number with the answer below. color the picture accordingly. red: (2x^2 - 32) yellow: (5x^2 - 15x - 34) orange: (3x^2 + 15) light green: (8x^2 - 18x - 35) dark green: (2x^2 + 24x + 68) light blue: (x^3 - 18x^2 - 33x + 3) dark blue: (2x^2 - 68x - 30) purple: (7x^2 - 6x - 34) pink: (2x^2 - 17x + 39) brown: (2x^2 + 10x - 36) black: (6x^2 + 7x - 39) gray: (5x^2 - 23x + 35) © gina wilson (all things algebra), 201
Let's solve the first problem in Set 1: \((x + 4)(x + 7)\)
Step 1: Use the distributive property (FOIL method)
Multiply the First terms: \(x \times x = x^2\)
Multiply the Outer terms: \(x \times 7 = 7x\)
Multiply the Inner terms: \(4 \times x = 4x\)
Multiply the Last terms: \(4 \times 7 = 28\)
So, \((x + 4)(x + 7) = x^2 + 7x + 4x + 28\)
Step 2: Combine like terms
Combine the \(x\) terms: \(7x + 4x = 11x\)
So, the simplified form is \(x^2 + 11x + 28\)
Step 1: Use the distributive property (FOIL method)
Multiply the First terms: \(x \times x = x^2\)
Multiply the Outer terms: \(x \times 5 = 5x\)
Multiply the Inner terms: \(8 \times x = 8x\)
Multiply the Last terms: \(8 \times 5 = 40\)
So, \((x + 8)(x + 5) = x^2 + 5x + 8x + 40\)
Step 2: Combine like terms
Combine the \(x\) terms: \(5x + 8x = 13x\)
So, the simplified form is \(x^2 + 13x + 40\)
Step 1: Combine like terms for \(x^2\)
\(x^2 + x^2 = 2x^2\)
Step 2: Combine like terms for \(x\)
\(11x + 13x = 24x\)
Step 3: Combine constant terms
\(28 + 40 = 68\)
So, the sum is \(2x^2 + 24x + 68\)
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\(x^2 + 11x + 28\)
Now, let's solve the second problem in Set 1: \((x + 8)(x + 5)\)