Solve (- 7) ^ 2 - 4(2)(5) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$(-7)^{2}-4(2)(5)$$

Evaluate

$9$

Solution Steps

Calculate $-7$ to the power of $2$ and get $49$.

$$49-4\times 2\times 5$$

Multiply $4$ and $2$ to get $8$.

$$49-8\times 5$$

Multiply $8$ and $5$ to get $40$.

$$49-40$$

Subtract $40$ from $49$ to get $9$.

$$9$$

Factor

$3^{2}$