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a. 5p + 5 = 5(p+1)
b. -3m -3mn = -3m( 1 + n )
c.-3a2 + ab -11
d. -x2 -xy + 3y
5.
a. x2-x-6
b. 2x2+5x-12
c. 16k2+8k+1
d. 9m2-2n2
b. 9m-12m+4mn-7mn = -3m - 3mn
c. -3a²+ab-11
d. -x² - xy +3y
2a. -2m+3
b. 5p² +pq -4q²
c. -16a-6b-4a+9b = -20a+3b
d. -3x³+2x²+3
3a. -3a +6b-15
b. x³y -4xy
c. x+3
d.2x+6
4a. 5(x-3y)
b. -1(2p-q+3r)
c. 3x(x+3y-6y²)
d. -8(5+r²)
5a. = x(x)+x(-3)+2(x)+2(-3)= x²-3x+2x-6 = x²-x+6
b. = 2x(x)+2x(4)-3(x)-3(4) = 2x²+8x-3x-12 = 2x²+5x-12
c. = (4k+1)(4k+1) = 4k(4k)+4k(1)+1(4k)+1(1) = 16k²+4k+4k+1 = 16k²+8k+1
d. = 3m(3m)+3m(-2n)+2n(3m)+2n(-2n) = 9m²-6mn+6mn-4n² = 9m²-4n²
semoga dapat di pahami