Question

solve [By factorisation method]
x²-3x-10=0​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

${x}^{2} - 3x - 10 = 0\\ - 10 = - 5 \times 2 \\ - 5 + 2 = - 3 \\ {x}^{2} - 5x + 2x - 10 = 0 \\ x(x - 5) + 2(x - 5) = 0 \\ (x - 5)(x + 2) = 0 \\ x -5 =0\\x=0+5\\x = 5\\x+2=0\\x=0-2\\x=-2$