Question

It is given that 1 is a zero of the polynomial 7x-x3-6 find its other zeroes.

Answer 1

Answer:

it's one factor is (x-1)

.........

step 2 : by long division...(see in the attachment)

after doing long division the quotient will be...

x²+x-6

step 3: by splitting middle term

x²+x-6

x² +3x-2x-6

x(x+3)-2(x+3)

(x+3)(x-2)

so other zeroes are -3 and 2

thank you

Hope it helps

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