expand these expression
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2
Answer:
a. x²+5x-50
b.x²-9x+18
Step-by-step explanation:
(x+10) (x-5)
x(x-5) +10(x-5)
x²-5x+10x-50
x²+5x-50
(x-6) (x-3)
x(x-3) -6(x-3)
x²-3x-6x+18
x²-9x+18
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Answered by
0
Step-by-step explanation:
Using the algebra form (x+y)(u-v)=xu-xv+yu-yv
a)(x+10)(x-5)=x square-5x+10x-50
= x square+5x-50
Using the algebra form (x-y)(u-v)=xu-xv-yu+yv
b)(x-6)(x-3)=x square-3x-6x+18
=x square-9x+18
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